ThiSuoboda ThiSuoboda

02-06-2015
Mathematics

Answered

A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

A2.5π
B3π
C5π
D4π
E10π

Verified Answer :

kevingrosman kevingrosman

02-06-2015

the diameter is the diagonal of the rectangle. Using the pythagorean theorem, you get the diameter being 5. The circumfrance is the diameter*(pi). So the answer is 5(pi). C

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