Since the total is 42 divide by two since they are the same length so it would be 21
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
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Im going to guess (A.) please tell me if im right and r u doing edgenuty same
Answer:
127.17 cm²
Step-by-step explanation:
- Area of a semicircle: 1/2*π*r²
- π (pi) = 3.14
- r (radius) = d (diamater) / 2 => 18/2 = 9 cm
A = 1/2*π*r²
A = 1/2*3.14*9²
A = 1/2*3.14*81
A = 3.14*40.5
A = 127.17 cm²
Therefore, the area of the semicircle is 127.17 cm²
Hope this helps!
