Finding the Area of a Field

Farmers need to know the area of their land in order to plan for growing their crops. Farmers measure the size of their fields in acres. One acre is equal to 4,840 square yards. In the diagram on the worksheet, each of the squares in the grid represents one acre. Count the number of acres inside Fields A and B to find their measure, and then use that information to find the size of Field C.

Count the number of squares inside Field A. This is the area of Field A in acres. Write it on your worksheet.
Count the number of squares inside Field B. This is the area of Field B in acres. Write it on your worksheet.
Use the Pythagorean Theorem to find the area of Field C in acres.

1 answer

To find the area of the fields, you would first count the number of squares representing each field on the grid:

  1. Count the Squares:

    • Field A: Count the number of squares within Field A. Let's say you counted 5 squares. So, the area of Field A is 5 acres.
    • Field B: Count the number of squares within Field B. If you counted 8 squares, the area of Field B is 8 acres.
  2. Use the Pythagorean Theorem for Field C: To find the area of Field C, we will need the dimensions of Field C. In the context of this exercise, I will assume you have the lengths of the sides that correspond to Field C that you want to measure. If Field C forms a right triangle with the other two fields, you can apply the Pythagorean Theorem.

    The Pythagorean Theorem states: \[ a^2 + b^2 = c^2 \] Where:

    • \(c\) is the length of the hypotenuse,
    • \(a\) and \(b\) are the lengths of the other two sides.

    After calculating \(c\) (the length of the hypotenuse), if you want to find the area of Field C (assuming it is a rectangle), you would use: \[ \text{Area} = \text{length} \times \text{width} \] However, without the specific dimensions or a diagram, I can't calculate Field C's area exactly. If you provide those additional measurements, I can assist you further.

If the aim is to simply add the areas of A and B to find C, you would simply sum them up: \[ \text{Area of Field C} = \text{Area of Field A} + \text{Area of Field B} = 5 + 8 = 13 \text{ acres} \]

Make sure to replace the hypothetical numbers with the correct counts you observed in the grid.

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