Alyssa Z.

asked • 03/28/21

Suppose BD = 3 and DC = 6. Write a proportion involving AD that can be used to solve for AD.

Assume that AD is the geometric mean of BD and DC in △ABC shown in the accompanying drawing.

(a)

Suppose BD = 3 and DC = 6.

Write a proportion involving AD that can be used to solve for AD.


Brenda D.

tutor
Hint: The geometric mean is defined as the nth root of the product of n numbers, You also have similar triangles.
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03/28/21

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