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(i) If a:b:c= 2:3:4 and s=27 inches, fin...

(i) If `a:b:c= 2:3:4` and s=27 inches, find the area of the triangle ABC.
(ii) If in a triangle ABC, a=6, b=3 and cos(A-B)`=4/5` then find its area.

Text Solution

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(i) `27sqrt(15) in^(2)`
(ii) 9 square units.
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