Asked by Rohit
Two circles which are not congruent touch externally. the sum of their area is 130¦Ðcm.square and distance between their centers is 14 cm. find radii of circles.
Answers
Answered by
Steve
The two radii are r and 14-r, so
πr^2 + π(14-r)^2 = 160π
(assuming the strange character is supposed to be pi)
r^2 + 196 - 28r + r^2 = 160
Now just solve for r.
πr^2 + π(14-r)^2 = 160π
(assuming the strange character is supposed to be pi)
r^2 + 196 - 28r + r^2 = 160
Now just solve for r.
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