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Solve for x! Please help!
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Solve for x! Please help!

Solve for x! Please help!-example-1
User Urdro
by
8.5k points

1 Answer

4 votes

Answer:

x = 12

Explanation:

ΔADC and ΔCDB are similar (AA). Therefore the sides are in proportion:


(AD)/(DC)=(DC)/(DB)

We have AD = 16, DC = x, DB = 9. Substitute:


(16)/(x)=(x)/(9) cross multiply


x^2=(16)(9)\to x=√((16)(9))\\\\x=√(16)\cdot\sqrt9\\\\x=4\cdot3\\\\x=12

Solve for x! Please help!-example-1
User Pismy
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