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Sagot :
Answer:
3) 81.5 in²
Steps:
D = 32/π = 10.18..
r = 10.18/2 = 5.09
A = π × r²
A = π × 25.93
A = 81.48 ≈ 81.5 in²
in one formula:
A = π(32/π × 1/2)²
A = 81.5 in²
Answer:5.09 sq. inches
Step-by-step explanation:
C = 2π × r
32 = 2π × r
[tex]\frac{32}{2\pi }[/tex] = r
r = 5.09295817894, rounded equals 5.09, so, option 1 is correct
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