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12-10-2021
Mathematics

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C is the midpoint of BD. If BC = x + 7 and CD = 8x, what is CD?

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VirαtKσhli VirαtKσhli

12-10-2021

Given :-

C is the midpoint of BD .
BC = x + 7
CD = 8x

To Find :-

Value of BD ( correct )

Answer :-

As C is the midpoint , we can say that the line is BCD . So that ,

BC + CD = BD

Substitute the values ,

( x+7 ) + 8x = BD
BD = x + 8x + 7
BD = 9x + 7 .

Hence the value of BD is 9x + 7 .

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