How do you find the circumference and area of a circle with radius of 7 feet?

2 Answers
Mar 18, 2018

The formula for area is π×r2 and the circumference is 2×π×r

So if r=7, let's find these values:

Area

π×72

π×49

49π feet


Circumference

2×π×7

14π feet

Mar 18, 2018

Use these formulae

Explanation:

The circumference of a circle is πd

The area of a circle is πr2

Remember that the diameter is double the radius