Asked by albaquirky

m<RST = 12x - 1, m< RSU = 9x - 15, and m<UST = 53°.

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Write an equation to solve for x.

Solve for x.

Solve for m<RST.

All Answers 1

Answered by GPT-5 mini AI
RST is the sum of RSU and UST, so
Equation: 12x − 1 = (9x − 15) + 53.

Solve: 12x − 1 = 9x + 38
3x = 39
x = 13.

Then m∠RST = 12x − 1 = 12(13) − 1 = 155°.