Question

Jacob made a circle-shaped poster for his geometry class. If the radius of the circle-shaped poster is 11 inches, what is the approximate circumference? Use = 3.14.

Answer 1

C=2πr
circumference = 2*π*radius
so C=(2)(3.14)(11)
C=69.08in

if you want more explanation of why this works, please ask me i would literally love to explain