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An isosceles triangle has perimeter 30cm …

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An isosceles triangle has perimeter 30cm and each of the equal sides is 12cm . Find the area of the triangle?

Posted by Shivatmaja ? 5 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

A K47 5 years, 1 month ago

If the two sides are of length 12 then third will be : 12+12+x = 30 x = 30 - 24 = 6 Then area of triangle By heron's formula √s(s-a)(s-b)(s-c) √15(15-12)(15-6)(15-12) √15*3*9*3 = √1215 = 34.85cm^2

1Thank You

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CBSE > Class 09 > Mathematics