find the area of portion enclosed between two circles of inner radius 5 cm and Outer radius 7cm
Answers
Answered by
1
π×7^2-π×5^2
49π-25π
24π
24×3.14
49π-25π
24π
24×3.14
Answered by
7
inner radius,r= 5cm
outer radius,r' = 7cm
area of portion enclosed between two circles = 22/7*r'²-22/7*r²
→ 22/7*7*7 - 22/7*5*5
→22*7 - 22*25/7
→154 - 78.57
→75.432cm²(approx)
^__^ ^^__^^ ^__^
outer radius,r' = 7cm
area of portion enclosed between two circles = 22/7*r'²-22/7*r²
→ 22/7*7*7 - 22/7*5*5
→22*7 - 22*25/7
→154 - 78.57
→75.432cm²(approx)
^__^ ^^__^^ ^__^
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