find the area of a ring whose outside diameter is 22cm and inside 20cm find the area
Answers
Answered by
0
answer :
area of circle = πr²
area of the ring = area of outside circle - area of inside circle
= π × (22)² - π × (20)²
= 22/7 × 484 - 22/7 × 400
= 1521.15 - 1257.15
= 264 cm²
Similar questions