Calculate the area of the circular ring enclosed by two concentric circles of radii 11 cm and 17cm
Answers
Answered by
4
Step-by-step explanation:
Answer= 22/7 ×(17^2 - 11^2) cm^2
= 22/7 × (289-121) cm^2 = 22/7 × 168 cm^2= 22 × 24 cm^2 = 528 cm^2
Answered by
19
Answer:
528 cm^2
Step-by-step explanation:
Area of circular ring = Area of larger circle - Area of smaller circle
= 22/7 (17*17 - 11*11)
= 22/7 (289 - 121)
= 22/7 (168)
= 22 (24)
= 528 cm^2
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