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CBSE Class 9 Answered

The base of an isosceles triangle measures 24 cm and its area is 60 cm2. Find its perimeter.
Asked by Topperlearning User | 28 Aug, 2017, 02:53: PM
answered-by-expert Expert Answer

Let each equal side of isosceles

begin mathsize 12px style straight S equals fraction numerator straight a plus straight b plus straight c over denominator 2 end fraction end style

So, Semi-perimeter = (x+12) cm= (13+12) cm= 25 cm

Perimeter = 2 x 25 cm = 50 cm.

Answered by | 28 Aug, 2017, 04:53: PM

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