Math, asked by nish906, 17 days ago

please fast answers me
with solution

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Answered by gulshankumar8999

1

Step-by-step explanation:

Radius of 1st circle= 20cm

Area of 1st circle= π r²

= 22/7 ×(20)² = 22/7 × 400 cm² = 8800/7 cm²

Radius of 2nd circle= 15 cm

Area of 2nd circle= π r² = 22/7 × (15)² = 22/7 × 225 =4950/7 cm²

Area of ring shaped region = 8800/7 cm² - 4950/7 cm² = 3850/7 cm²

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