Question

Circle A has a radius of 21 meters . Circle B has a radius of 28 meters. Find the circumference if each circle in terms of pi

Answer 1

Answer:

Circle A= $42\pi$

Circle B =$56\pi$

Step-by-step explanation:

Circumference of a circle =$2\pi r$

Since you are given the radius, you put it in place of r

Circle A = $2 *\pi *28\\21*2 = 42\\\\42\pi$

                                            Circle B= $\\2*\pi *28\\28*2 =56\\56\pi$