goldenboy147
Answered

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What is the length, in units, of segment CD?

5.50
12.25
8
14

Sagot :

eeraferwani

Answer:

d

Step-by-step explanation:

KjNnesmith

The answer is C.

Step-by-step explanation:

First, you have to find the angle of ACB using Sine Rule, sinθ = opposite/hypotenuse :

Given that line AB is parallel to line CD so ∠C = 90°. Next, you have to find the angle of ACD :

Lastly, you can find the length of CD using Cosine rule, cosθ = adjacent/hypotenuse :

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