Triangle 16953

In the ABC triangle, the alpha angle is 36 degrees. The beta angle is twice the gamma. What is this triangle?

Correct answer:

B =  96 °

Step-by-step explanation:

A=36   B=2 C A+B+C=180 B=2 C 36+B+C=180  B2C=0 B+C=144  Row2Row1Row2 B2C=0 3C=144  C=3144=48 B=0+2C=0+2 48=96  B=96 C=48  B>90

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