Math, asked by manish24reen, 10 months ago

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Answered by haridasan85

1

.a) A = 7.2x4.8/2=17.28 cm2

b) h= Ax2/b=100x2, /20 = 10cm

C)b=30/15=2cm

d) b = 55x2 / I 1 = 10cm

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