How do you find the circumference and area of a circle with diameter of 70cm?

Sep 27, 2015

Check the explanation

Explanation:

C = $\pi \cdot d$
C = $3.1416 \cdot 70$
C = 219.912 cm

A =$\pi \cdot {r}^{2}$
Where 'r' is the radius, which half of the diameter, at 35cm
A = $3.1416 \cdot {35}^{2}$

A = 3848.46 $c {m}^{2}$