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The area of triangle formed by joining the centres of three congruent externally touching circles...
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The area of triangle formed by joining the centres of three congruent externally touching circles, is 49√3 cm^2, then find the radius of the circle.
[NTSE Stage 1 2013]
(A) √7 cm
(B) 7 cm
(C) 7√3 cm
(D) 4√3 cm
[NTSE Stage 1 2013]
(A) √7 cm
(B) 7 cm
(C) 7√3 cm
(D) 4√3 cm
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