find area of a triangle two sides of which are 16 cm and 22 cm and the perimeter is 64 CM
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Answer:
semi perimeter =perimeter/2
=64cm/2
32cm
third side = 64cm -(16cm+22cm)
=64cm-38cm
=26cm
using heron formula
area of triangle √(s*(s-a)(s-b)(s-c)
=√(32*16*10*6)
=32√30
=32*5.47
=175.2cm²
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