Question

explain in detail plz

Answer 1

AC² = AB² + BC² ( Pythagoras Theorem)

AC ² = (18)² + (24)² = 900

AC² = 900

AC = 30

Now BC² = AC. MC ( BM Perpendicular to AC)

So (24)² = 30 * MC

576 = 30 * MC

MC = 576 / 30 = 19.2

AC = AM + MC

30 = AM +19.2

AM = 30 - 19.2 = 10.8 cm

Now BM²= AM * MC ( BM Perpendicular to AC)

BM²= 10.8 * 19.2

BM²= 207.36

BM = √207.36

BM = 14.4

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