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sanjay yadav

· started a discussion

· 1 Months ago

PLEASE EXPLAIN IT (Question: 109018.0 )

WHAT THIS ~ MEAN

Question:

Find the area between two concentric circles of circumference 88 cm and 132 cm.

Options:
A) 780 cm2
B) 770 cm2
C) 715 cm2
D) 660 cm2
Solution:
Ans: (b) Let the radius of the inner circle be r1 and the radius of the outer circle be r2.

A.T.Q.,


Knowledge Expert

· commented

· 1 Months ago

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