Question

Find the area of a circle with diameter 14 mm. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.

Answer 1

153.86 mm²

Explanation:

Radius of circle = diameter/2 = 14/2 = 7mm

Area of circle = πr² = (3.14)(7mm)²

= 3.14 x 49 mm²

= 153.86 mm²