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Sagot :
Answer:
Step-by-step explanation:
28/4 is the radius of the half circle which is 7
if the whole thing was a rectangle the area would be
28 * 24 = 672
area of a half circle is A = pi * r^2/2
pi is also 22/7
A = 22/7 * 7^2/2 -> 22/7 * 49/2 -> 77
2 half circles' area is 77*2 = 154
672 - 154 = 518
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