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A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 89m long and 70m wide.

Find the area of the training field. Use the value
3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

PLEASE SOMEONE HELP ME THANK YOU!!

User Radu Chivu
by
7.2k points

1 Answer

2 votes

Step One

Find the area of the rectangle

Area = L * W

Area = 89 cm * 70 cm

Area = 6230 cm^2

Step Two

What is the formula for the two end semicircles?

Two semicircles = 1 whole circle

Area of any circle = pi * r^2

Step Three

Find the area of the circle

r = the width / 2 This may not be true. You need the diagram. If the circles are drawn on the length then use r = the length / 2

r = 70/2 = 35 cm

Area of circle = pi * r^2

Area of circle = 3.14 * 35^2

Area of circle = 3846.5

Step Four

Find the total area

The total area = Area of the rectangle + area of circle

The total area = 6230 + 3846.5

The total area = 10076.5 cm^2 <<<< Answer

User Free Radical
by
7.5k points
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