Question

Find the area of the circle with the given radius or diameter. Use "3,14" for π(Pi). Round your answer to the nearest tenth

Diameter=42 mm
A.137.6mm
B.376.7mm
C.1,384.7mm
D.6,027mm

Answer 1

C.1,384.7mm

Explanation:

Area of a circle is pi R Square

R =D/2

R=42/2=21

Area=3•14×21×21=1384•7mm