plz give me answer in 3 question 9 ,10 ,11
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9-yes
11-first circle
2 pye r = 132
= 2×22/7 × r = 132
= r = 132 × 1/2× 7/22
= r = 3 cm
Area= pye r square
22/7 × 9
= 198/7
second circle
2 pye r = 88
= 2 × 22/7 × r = 88
= r = 88 × 1/2 ×7/22
= r = 2 cm
Area = pye r square
= 22/7 × 4
= 88/7
Area of the ring = 198/7- 88/7
= 198- 88/7
= 110/7
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