1. what is the answer of r=4.3 cm
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Answer:
The area of a circle with radius 4.3 is 58.09
Step-by-step explanation:
r = 4.3 d = 8.6 C = 27 A = πr2 = π(d2)2 A = C24π π = 3.1415 A = area C = circumference or perimeter r = radius, d = diameter