Question

Find the area and the circumference of a circle with diameter 3 ft.

Use the value 3.14 for n, and do not round your answers. Be sure to include the correct units in your answers.
'ft
ft2
ft
3 ft
Area:
0
Circumference:
Х
$
?
Explanation
Chock
Check

Answer 1

Explanation:

circumference of a circle

2×pi×r

area of a circle

pi×r²

r (radius) = diameter/2 = 1.5ft

we shall assume pi to be 3.14

circumference is

2×3.14×1.5 = 3.14×3 = 9.42 ft

area is

3.14 × 1.5² = 3.14×2.25 = 7.065 ft²