Question

Find the circumference and area of a circle with a diameter of 10 inches. Leave your answers in terms of pi.

C = 5π; A = 20π

C = 10π; A = 20π

C = 10π; A = 25π

C = 5π; A = 25π

Answer 1

d =10

$r = d/2$

$С = 2\pi r =10\pi$

$A = \pi r^2 = 25\pi$

Answer: C = 10π; A = 25π