The radii of two circles are 8 cm and 6 cm respectively. The diameter of the circle having area equal to the sum of the areas of the two circles (in cm) is
A. 10
B. 14
C. 20
D. 28
Answers
Answered by
1
A 10 is the relevant answer to your question mate.
Answered by
0
Ans: πr^2 = πr1^2 + πr2^2
=> 22/7 r^2 = 22/7 (8)^2 + 22/7 (6)^2
=> r^2 = 100
=> r = 10
Then , diameter = 2× 10
=> 20
(c) is correct option
Hope it helps...!!
=> 22/7 r^2 = 22/7 (8)^2 + 22/7 (6)^2
=> r^2 = 100
=> r = 10
Then , diameter = 2× 10
=> 20
(c) is correct option
Hope it helps...!!
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