Question

The area of a circle with radius 5mm, rounded to the nearest tenth.

Answer 1

78.5 mm^2

Explanation:

Area of a circle = pi*r^2

pi*5^2 = 25pi = around 78.539 rounded to the nearest tenth is 78.5 mm^2

Answer 2

78.5

Explanation:

A=πr2=π·52≈78.53982 Rounded to the tenth is 78.5