Question

Circumference and area of a circle

Find the circumference and the area of a circle with radius 8 yd.
Use the value 3.14 for it, and do not round your answers. Be sure to include the correct units in your answers.
8 yd
yd
ус
Circumference:
Area:
Х

Answer 1

Explanation:

circumference of a circle

2×pi×r

area of a circle

pi×r²

r = 8 yd

circumference is

2×3.14×8 = 3.14×16 = 50.24 yd

area is

3.14×8² = 3.14×64 = 200.96 yd²