the length of three sides of a triangle is 25 cm, 20 cm and 15 cm ,then find the area of triangle.
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S=(25+20+15)/2 =30
Area=✓(s-25)(s-20)(s-15)
=✓(5)(10)(15)
=✓750
=✓5×5×3×10
=5✓30cm^2
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32
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go head with the ans
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