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CBSE Class 9 Answered

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Asked by Girishdhawan | 01 Jul, 2018, 03:11: PM
Expert Answer
Consider sides of an isoscels triangle are 3x, 3x and 2x.
3x + 3x + 2x = 32
8x = 32
x = 4 cm
Hence, sides are 12 cm, 12 cm, 8 cm
2s = 32
s = 16
s - a = s - b = 16 - 12 = 4 as a = b
s - c = 16 - 8 = 8
Find area of triangle using Heron's formula we get 45.25 cm2
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