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1. If the sides of a triangle are 17 cm, 25 cm, and 26 cm, find the area of
the triangle
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Explanation:
a =17,b=25,c=26
s =a+b+c/2
=17+25+26/2
=68/2
=34
By Heron's formula,
Area of triangle =√s(s-a)(s-b)(s-c)
=√34(34-17)(34-25)(34-26)
=√34x17x9x8
=√17x2x17x3x3x2x2x2
=2x2x3x17
=204sq.cm
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