A profession that heavily relies upon knowledge of parallel and perpendicular lines is architecture or engineering. In these fields, professionals need to understand how to apply these concepts in order to create accurate and structurally sound designs.
Architects and engineers often work with blueprints and building plans, which require them to understand how parallel and perpendicular lines interact in order to create accurate drawings. For example, they need to know how to draw lines that are parallel to existing ones or how to create perpendicular intersections for constructing walls or other structural elements.
Additionally, architects and engineers use parallel and perpendicular lines to ensure that buildings are constructed in a stable and safe manner. They apply these concepts to accurately measure and align components, such as walls, floors, and support beams, to maintain structural integrity. By ensuring that lines are properly parallel or perpendicular, they can prevent issues such as sagging floors or instability in the overall construction.
In summary, architects and engineers rely upon knowledge of parallel and perpendicular lines in order to accurately design and build structures. They use these concepts for drawing blueprints, aligning components, and ensuring the overall stability and safety of the buildings they construct.
Think about what you have learned about parallel and perpendicular lines. In what profession might a person rely upon this information? Describe how that person would apply these concepts.
7 answers
Complete the two-column proof. Given: ∠2 and ∠5 are supplementary Prove: Line l is above line m. Angle 1 is above line l and to the left of the transversal. Angle 2 is above line l and to the right of the transversal. Angle 3 is below line l and to the left of the transversal. Angle 4 is below line l and to the right of the transversal. Angle 5 is above line m and to the left of the transversal. Angle 6 is above line m and to the right of the transversal. Angle 7 is below line m and to the left of the transversal. Angle 8 is below line m and to the right of the transversal. Statements Reasons 1. _____________ 1. _____________ 2. ∠ 3 ∠ 2 2. _____________ 3. ∠ 3 and ∠ 5 are supplementary 3. _____________ 4. _____________ 4. _____________
Statements Reasons
1. Angle 1 is above line l and to the left of the transversal. Given
2. Angle 2 is above line l and to the right of the transversal. Given
3. Angle 3 is below line l and to the left of the transversal. Given
4. Angle 4 is below line l and to the right of the transversal. Given
5. Angle 5 is above line m and to the left of the transversal. Given
6. Angle 6 is above line m and to the right of the transversal. Given
7. Angle 7 is below line m and to the left of the transversal. Given
8. Angle 8 is below line m and to the right of the transversal. Given
9. ∠2 and ∠5 are supplementary Given
10. If two angles are supplementary to the same angle, then they are congruent. Definition of Supplementary Angles
11. Therefore, ∠3 ≅ ∠5 Substitution, using statement 2 and 9
12. If two angles are congruent, then their relationships with other lines are the same. Definition of Congruent Angles
13. Therefore, angle 3 is above line m and to the left of the transversal. Transitive Property (statement 5, 11, and 12)
1. Angle 1 is above line l and to the left of the transversal. Given
2. Angle 2 is above line l and to the right of the transversal. Given
3. Angle 3 is below line l and to the left of the transversal. Given
4. Angle 4 is below line l and to the right of the transversal. Given
5. Angle 5 is above line m and to the left of the transversal. Given
6. Angle 6 is above line m and to the right of the transversal. Given
7. Angle 7 is below line m and to the left of the transversal. Given
8. Angle 8 is below line m and to the right of the transversal. Given
9. ∠2 and ∠5 are supplementary Given
10. If two angles are supplementary to the same angle, then they are congruent. Definition of Supplementary Angles
11. Therefore, ∠3 ≅ ∠5 Substitution, using statement 2 and 9
12. If two angles are congruent, then their relationships with other lines are the same. Definition of Congruent Angles
13. Therefore, angle 3 is above line m and to the left of the transversal. Transitive Property (statement 5, 11, and 12)
Which solution for the value of x in the figure below is incorrect? Explain. The angle adjacent below the top parallel line and adjacent right to the transversal is labeled left parenthesis 4 x minus 2 right parenthesis degrees. The angle adjacent above the lower parallel line and adjacent left to the transversal is labeled left parenthesis 3 x plus 6 right parenthesis degrees. A. 4x – 2 = 3x + 6 B. 4x – 2 + 3x + 6 = 180 x = 8 7x + 4 = 180 x = 25.1
The incorrect solution for the value of x is option B, where it states that 7x + 4 = 180 and x = 25.1.
To explain why this solution is incorrect, let's analyze the given information. The angle adjacent below the top parallel line and adjacent right to the transversal is labeled (4x - 2) degrees. The angle adjacent above the lower parallel line and adjacent left to the transversal is labeled (3x + 6) degrees.
In order to find the value of x, we can set up an equation based on the fact that adjacent angles formed by a transversal across parallel lines are congruent.
The correct equation would be:
4x - 2 = 3x + 6
By solving this equation properly, we can find the correct value of x. However, in option B, the equation 7x + 4 = 180 is written instead, which is incorrect. This equation does not correspond to the given angles and does not accurately represent the problem.
Therefore, the solution x = 25.1 in option B is incorrect. The correct solution can be determined by solving the equation 4x - 2 = 3x + 6, which will yield the accurate value for x.
To explain why this solution is incorrect, let's analyze the given information. The angle adjacent below the top parallel line and adjacent right to the transversal is labeled (4x - 2) degrees. The angle adjacent above the lower parallel line and adjacent left to the transversal is labeled (3x + 6) degrees.
In order to find the value of x, we can set up an equation based on the fact that adjacent angles formed by a transversal across parallel lines are congruent.
The correct equation would be:
4x - 2 = 3x + 6
By solving this equation properly, we can find the correct value of x. However, in option B, the equation 7x + 4 = 180 is written instead, which is incorrect. This equation does not correspond to the given angles and does not accurately represent the problem.
Therefore, the solution x = 25.1 in option B is incorrect. The correct solution can be determined by solving the equation 4x - 2 = 3x + 6, which will yield the accurate value for x.
Given , explain how to construct a square with sides of length AB.
To construct a square with sides of length AB, follow these steps:
1. Begin by drawing a line segment AB of the desired length. This will serve as one side of the square.
2. From point B, draw a line segment BC that is perpendicular to AB. The length of BC should be equal to the length of AB. This will create a right angle at point B.
3. Using point C as the center, draw a circular arc with the same radius as the length of AB. This arc should intersect with line segment BC at point D.
4. From point D, draw a line segment DE that is perpendicular to BC. The length of DE should be equal to the length of AB.
5. Repeat step 3, but this time using point E as the center. Draw a circular arc with the same radius as the length of AB. This arc should intersect with line segment DE at point F.
6. Finally, connect points F and A with a line segment. This will complete the square, with AB as one of its sides.
By following these steps, you can successfully construct a square with sides of length AB. Each angle within the square will measure 90 degrees, creating a perfect square shape.
1. Begin by drawing a line segment AB of the desired length. This will serve as one side of the square.
2. From point B, draw a line segment BC that is perpendicular to AB. The length of BC should be equal to the length of AB. This will create a right angle at point B.
3. Using point C as the center, draw a circular arc with the same radius as the length of AB. This arc should intersect with line segment BC at point D.
4. From point D, draw a line segment DE that is perpendicular to BC. The length of DE should be equal to the length of AB.
5. Repeat step 3, but this time using point E as the center. Draw a circular arc with the same radius as the length of AB. This arc should intersect with line segment DE at point F.
6. Finally, connect points F and A with a line segment. This will complete the square, with AB as one of its sides.
By following these steps, you can successfully construct a square with sides of length AB. Each angle within the square will measure 90 degrees, creating a perfect square shape.