If the circumference of a circle measures 3 4 π cm, what is the area of the circle in terms of π? A) 9 8 π cm2 B) 3 8 π cm2 C)
3 64 π cm2 Eliminate D) 9 64 π cm2
2 answers:
It should be 289pi cm2, but I don't see that answer
I get area = 289 π cm²
the circumference and area formulae for a circle are
C = 2πr and A = πr² ( where r is the radius )
2πr = 34π ( divide both sides by 2π )
r = 17 cm
and A = π × 17² = 289π cm²
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