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The ray Q-S divides a straight angle P-Q-R into angle P-Q-S measuring x degrees and angle R-Q-S measuring x minus 60 degrees.

Which equation can be solved to find the measure in degrees of ?

A.2x-60=180

B.2x-60=90

C.x-60=90

D.x-60=180

1 answer

The correct equation that can be solved to find the measure in degrees of angle P-Q-S is:

B. 2x - 60 = 90

This equation represents the fact that the sum of angle P-Q-S and angle R-Q-S is equal to 180 degrees (the measure of a straight angle). Solving for x will give the measure of angle P-Q-S.