the sides of a triangle are 16cm,30cm,and 34cm.what is it's area?
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Given sides of triangles are a=16cm,b=30cm,c=34cm respectively
Semiperimeter s = 16 +30+34 /2 CM
=80 /2
=40 Cm
By heron's, area of the triangle is
=s(s−a)(s−b)(s−c)cm²
= √40(40−16)(40−30)(40−34) cm ²
= √40×24×10×6 cm ²
= √4×10×4×6×10×6 cm ²
= 4×6×10cm ²
=240cm²
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