SOLUTION: Two semicircular areas, adjacent to a rectangular area in the school gym, are to be painted. If the length of the rectangular area is 40 m and its perimeter is 120 m, what is the t
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Question 1169593: Two semicircular areas, adjacent to a rectangular area in the school gym, are to be painted. If the length of the rectangular area is 40 m and its perimeter is 120 m, what is the total painted area?
Two semicircle areas together comprise the entire circle,
and its diameter is equal to the width of the gym, i.e.
= = = 20 meters.
So, all you need is to find the area of a circle having the radius of 10 meters.
It is square meters. ANSWER
