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12-04-2018
Mathematics

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in the diagram below,BC is an altitude of ΔABD.To the nearest whole unit,what is the length of CD?

A. 58
B.44
C.56
D.52

in the diagram belowBC is an altitude of ΔABDTo the nearest whole unitwhat is the length of CD A 58 B44 C56 D52 class=

Respuesta :

MrEquation MrEquation

22-04-2018

The correct answer is Choice D: 56.

In a right triangle, the altitude square is equal to the product of the segments that it forms with the hypotenuse.

Therefore, we can write and solve the following equation.

30^2 = 16x

900 = 16x

56 = x

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