1.

2.8) Find the area of triangle whose sides are 14 cm, 15 cm & 17 cm

Answer»

semiperimeter s=(14+15+17)/2=46/2=23cmarea=root(23*(23-14)*(23-15)*(23-17)) =root(23*9*8*6) =root(23*9*16*3) =12root(69)



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