Question

Find the area of each circle. Round to the nearest tenth. Use 3.14 for π.

Answer 1

1. 490.6 mm²

2. 14.1 ft²

Explanation:

1. 3.14×(12.5)²= 3.14 × 156.25 =490.6mm²

2. ½×3.14×3²= 3.14×4.5= 14.1 ft²