the radii of two concentric circles are 8.4 cm and 7 cm .The are enclosed between them is
Answers
Answered by
7
A=πr^2
22/7×8.4×8.4
=22×1.2×8.4
=221.76
A=πr^2
=22/7×7×7
=22×7
=154
area enclosed between them =221.76-154
=67.76 cm square
22/7×8.4×8.4
=22×1.2×8.4
=221.76
A=πr^2
=22/7×7×7
=22×7
=154
area enclosed between them =221.76-154
=67.76 cm square
Answered by
3
A=πr^2
22/7×8.4×8.4
=22×1.2×8.4
=221.76
A=πr^2
=22/7×7×7
=22×7
=154
area enclosed between them =221.76-154
=67.76 cm square
22/7×8.4×8.4
=22×1.2×8.4
=221.76
A=πr^2
=22/7×7×7
=22×7
=154
area enclosed between them =221.76-154
=67.76 cm square
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