Question

in a triangle the side a b = 4 cm and the side BC = 9 cm is a side AC is the mean proportional to a b and BC find AC


please answer no 1​

Answer 1

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GIVEN

BC=9

AB=4

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LET THE THIRD SIDE BE X

THERE FOR MEAN PROPORTIONAL

9*9=4x

x=81/4

x=2.025

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Answer 2

Step-by-step explanation:

$ab = 4 \\ bc = 9 \\ let \: other \: side \: be \: x \\ 9 \times 9 = 4x \\ 81 = 4x \\ x = 2.025$

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