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5 votes
See the picture below

See the picture below-example-1

1 Answer

1 vote

Answer:

x = 25.2

<AFB = 158.4 degrees

<RST = 21.6 degrees

Explanation:

7x-18+72-2x = 180

5x+54=180

5x= 126

x = 25.2

<AFB = 7(25.2)-18 = 158.4

<RST= 72-2(25.2) = 21.6

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