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Find the area of a triangle whose sides measure 13 cm, 14 cm and 15 cm.

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Find the area of a triangle whose sides measure 13 cm, 14 cm and 15 cm.

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Let a = 13, b = 14 and c = 15. Then, S = (1/2)(a + b + c) = 21. 

(s- a) = 8, (s - b) = 7 and (s - c) = 6.  

Area = (s(s- a) (s - b)(s - c))(1/2) 

= (21 *8 * 7*6)(1/2) 

= 84 cm2 .

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