the length of three sides of triangle are 26,28 and 30.the height corresponding to base 28
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Area =Vs (s-a)(s-b)(s-c)
s = ( a +b+c)/2
S = 26+28+30 / 2 = 84/2=42
A= v42(42-26) (42-28)(42-30)
=v42x16x14x12 =v112896.=336cm2
A= 1/2bh
336=28xh/2
h = 336x2/28=24cm
height=24cm
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