57,451 views
38 votes
38 votes
A button has a diameter of 4 centimeters. What is the area of the button

User Khannikkey
by
3.3k points

1 Answer

15 votes
15 votes

diameter = 4 cm

so radius r = 4 : 2 = 2 cm

area of a circle = pi x r² ≈ 3,14 x 2² = 12,56 cm²

User Gdanko
by
3.2k points