Question
Use the given coordinates to compute the perimeter of the triangle. Round your answer to the nearest tenth. (1 point)
the coordinates are (1,6), (1,2) and (-4,2)
the coordinates are (1,6), (1,2) and (-4,2)
Answers
GPT-4o mini
To compute the perimeter of the triangle with the given vertices at coordinates (1,6), (1,2), and (-4,2), we first need to find the lengths of each side using the distance formula. The distance \(d\) between two points \((x_1, y_1)\) and \((x_2, y_2)\) is given by:
\[
d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}
\]
### Step 1: Calculate the lengths of each side
1. **Length of side between (1,6) and (1,2)**:
\[
d_1 = \sqrt{(1 - 1)^2 + (2 - 6)^2} = \sqrt{0 + (-4)^2} = \sqrt{16} = 4
\]
2. **Length of side between (1,2) and (-4,2)**:
\[
d_2 = \sqrt{(-4 - 1)^2 + (2 - 2)^2} = \sqrt{(-5)^2 + 0} = \sqrt{25} = 5
\]
3. **Length of side between (-4,2) and (1,6)**:
\[
d_3 = \sqrt{(1 - (-4))^2 + (6 - 2)^2} = \sqrt{(1 + 4)^2 + (4)^2} = \sqrt{5^2 + 4^2} = \sqrt{25 + 16} = \sqrt{41}
\]
### Step 2: Calculate the perimeter
Now we sum the lengths of the sides to find the perimeter \(P\):
\[
P = d_1 + d_2 + d_3 = 4 + 5 + \sqrt{41}
\]
Calculating \(\sqrt{41}\):
\[
\sqrt{41} \approx 6.4
\]
Thus, the perimeter becomes:
\[
P \approx 4 + 5 + 6.4 = 15.4
\]
### Step 3: Round to the nearest tenth
The perimeter of the triangle, rounded to the nearest tenth, is:
\[
\boxed{15.4}
\]
\[
d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}
\]
### Step 1: Calculate the lengths of each side
1. **Length of side between (1,6) and (1,2)**:
\[
d_1 = \sqrt{(1 - 1)^2 + (2 - 6)^2} = \sqrt{0 + (-4)^2} = \sqrt{16} = 4
\]
2. **Length of side between (1,2) and (-4,2)**:
\[
d_2 = \sqrt{(-4 - 1)^2 + (2 - 2)^2} = \sqrt{(-5)^2 + 0} = \sqrt{25} = 5
\]
3. **Length of side between (-4,2) and (1,6)**:
\[
d_3 = \sqrt{(1 - (-4))^2 + (6 - 2)^2} = \sqrt{(1 + 4)^2 + (4)^2} = \sqrt{5^2 + 4^2} = \sqrt{25 + 16} = \sqrt{41}
\]
### Step 2: Calculate the perimeter
Now we sum the lengths of the sides to find the perimeter \(P\):
\[
P = d_1 + d_2 + d_3 = 4 + 5 + \sqrt{41}
\]
Calculating \(\sqrt{41}\):
\[
\sqrt{41} \approx 6.4
\]
Thus, the perimeter becomes:
\[
P \approx 4 + 5 + 6.4 = 15.4
\]
### Step 3: Round to the nearest tenth
The perimeter of the triangle, rounded to the nearest tenth, is:
\[
\boxed{15.4}
\]
now please do the same with this polygon. the coordinates are, (2, 0), (0, 2), (-2, 0), (1, -2), and (-1, -2)
GPT-4o mini
To compute the perimeter of the polygon with the given vertices at coordinates (2, 0), (0, 2), (-2, 0), (1, -2), and (-1, -2), we will calculate the lengths of each side using the distance formula.
### Step 1: Calculate the lengths of each side
1. **Length between (2, 0) and (0, 2)**:
\[
d_1 = \sqrt{(0 - 2)^2 + (2 - 0)^2} = \sqrt{(-2)^2 + (2)^2} = \sqrt{4 + 4} = \sqrt{8} = 2\sqrt{2} \approx 2.828
\]
2. **Length between (0, 2) and (-2, 0)**:
\[
d_2 = \sqrt{(-2 - 0)^2 + (0 - 2)^2} = \sqrt{(-2)^2 + (-2)^2} = \sqrt{4 + 4} = \sqrt{8} = 2\sqrt{2} \approx 2.828
\]
3. **Length between (-2, 0) and (1, -2)**:
\[
d_3 = \sqrt{(1 - (-2))^2 + (-2 - 0)^2} = \sqrt{(1 + 2)^2 + (-2)^2} = \sqrt{3^2 + (-2)^2} = \sqrt{9 + 4} = \sqrt{13} \approx 3.605
\]
4. **Length between (1, -2) and (-1, -2)**:
\[
d_4 = \sqrt{(-1 - 1)^2 + (-2 - (-2))^2} = \sqrt{(-2)^2 + (0)^2} = \sqrt{4} = 2
\]
5. **Length between (-1, -2) and (2, 0)**:
\[
d_5 = \sqrt{(2 - (-1))^2 + (0 - (-2))^2} = \sqrt{(2 + 1)^2 + (2)^2} = \sqrt{3^2 + 2^2} = \sqrt{9 + 4} = \sqrt{13} \approx 3.605
\]
### Step 2: Calculate the perimeter
Now we sum the lengths of all the sides to find the perimeter \(P\):
\[
P = d_1 + d_2 + d_3 + d_4 + d_5
\]
Substituting the approximate values:
\[
P \approx 2.828 + 2.828 + 3.605 + 2 + 3.605
\]
Calculating the total:
\[
P \approx 2.828 + 2.828 + 3.605 + 2 + 3.605 \approx 14.876
\]
### Step 3: Round to the nearest tenth
The perimeter of the polygon, rounded to the nearest tenth, is:
\[
\boxed{14.9}
\]
### Step 1: Calculate the lengths of each side
1. **Length between (2, 0) and (0, 2)**:
\[
d_1 = \sqrt{(0 - 2)^2 + (2 - 0)^2} = \sqrt{(-2)^2 + (2)^2} = \sqrt{4 + 4} = \sqrt{8} = 2\sqrt{2} \approx 2.828
\]
2. **Length between (0, 2) and (-2, 0)**:
\[
d_2 = \sqrt{(-2 - 0)^2 + (0 - 2)^2} = \sqrt{(-2)^2 + (-2)^2} = \sqrt{4 + 4} = \sqrt{8} = 2\sqrt{2} \approx 2.828
\]
3. **Length between (-2, 0) and (1, -2)**:
\[
d_3 = \sqrt{(1 - (-2))^2 + (-2 - 0)^2} = \sqrt{(1 + 2)^2 + (-2)^2} = \sqrt{3^2 + (-2)^2} = \sqrt{9 + 4} = \sqrt{13} \approx 3.605
\]
4. **Length between (1, -2) and (-1, -2)**:
\[
d_4 = \sqrt{(-1 - 1)^2 + (-2 - (-2))^2} = \sqrt{(-2)^2 + (0)^2} = \sqrt{4} = 2
\]
5. **Length between (-1, -2) and (2, 0)**:
\[
d_5 = \sqrt{(2 - (-1))^2 + (0 - (-2))^2} = \sqrt{(2 + 1)^2 + (2)^2} = \sqrt{3^2 + 2^2} = \sqrt{9 + 4} = \sqrt{13} \approx 3.605
\]
### Step 2: Calculate the perimeter
Now we sum the lengths of all the sides to find the perimeter \(P\):
\[
P = d_1 + d_2 + d_3 + d_4 + d_5
\]
Substituting the approximate values:
\[
P \approx 2.828 + 2.828 + 3.605 + 2 + 3.605
\]
Calculating the total:
\[
P \approx 2.828 + 2.828 + 3.605 + 2 + 3.605 \approx 14.876
\]
### Step 3: Round to the nearest tenth
The perimeter of the polygon, rounded to the nearest tenth, is:
\[
\boxed{14.9}
\]
Related Questions
Q (1,6)
P (1,2)
R (-4,2)
Use the given coordinates to compute the perimeter of the triangle. Ro...
Use the given coordinates to compute the perimeter of the triangle. Round your answer to the nearest...
Use the coordinates (-4,2) (1,2) and (1,6) to compute the perimeter of the triangle. Round your answ...
Use the coordinates (-2,1) (0,2) (-2,-1) (0,-2) and (0,2) to compute the perimeter of the triangle....