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If TRAP is an isosceles trapezoid, what is the value of x?A. 1B. 22C. 12D. 23E. 11F. Cannot be determined

If TRAP is an isosceles trapezoid, what is the value of x?A. 1B. 22C. 12D. 23E. 11F-example-1
User Kimmarie
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2 Answers

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Answer:B

Step-by-step explanation:just took the test

User Gdahlm
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In an Isosceles trapezoid, it is known that the base angles have equal measures, and non-congruent angles are supplementary.

The non-congruent angles ∠RAP and ∠APTfrom the figure have measures 6x° and (2x+4)°, respectively.

Since they must be supplementary, it follows that their sum is 180°:


\begin{gathered} 6x+2x+4=180 \\ \Rightarrow8x+4=180\Rightarrow8x=180-4 \\ \Rightarrow8x=176\Rightarrow(8x)/(8)=(176)/(8) \\ \Rightarrow x=22 \end{gathered}

Hence, the value of x is 22. The correct option is B.

User Stefan Brinkmann
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