Question

11. In a triangle, the side AB = 4 cm and the side BC = 9 cm.
If the side AC is the mean
proportional to AB and BC, find AC.please answer.
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Answer 1

Step-by-step explanation:

AB=4cm

BC=9cm

Let side AC=x

BTP:

4:x::x:9

4/x=x/9

4×9=x^2

36=x^2

x=6

ANS)Therefore AC is 6cm