This High School stadium contains a track that surrounds a soccer field the soccer field is 100 yards long and 70 yards wide 1. What Is the area of one of the semi circles

2. the school decided to cover the semi-circles with grass to create space for stretching and other activities how many square yards of grass will the school need to cover the entrance Circle

3. What is the distance around one of the semi circles at either end of the soccer feild

4. What is the distance around the inner lane of the track

Please help me with this I don't understand at all
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1)The area of a semicircle is half of the area of the circle. As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius. The value of π is 3.14 or 22/7.

3) The rectangle has a straightaway each of 100 yards. There are 2 semi circles at each end. The distance around the whole track is 440 yards.

4) Most running tracks are 400 meters around in lane 1 (the inside lane). The distance around the track increases in each lane; the distance you would run once around in lane 8 is 453 meters. Knowing common distances on a track can help you ensure that you are getting what you expect from your track run.

hope i helped you:)

im srry i dont know question 2

h who knows

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