Question

Find the circumference and the area of a circle with radius 3 m.

Use the value 3.14 for 1, and do not round your answers. Be sure to include the correct units in your answers.
Bm
m
m2
m
Circumference: 0
Area:
Х

Answer 1

Explanation:

circumference of a circle

2×pi×r

area of a circle

pi×r²

r (radius) = diameter/2 = 1.5 m

we have to assume pi = 3.14

circumference is

2×3.14 × 1.5 = 3.14×3 = 9.42 m

area is

3.14×1.5² = 3.14×2.25 = 7.065 m²