Angle Addition Postulate

Front

Back

x = 7°

Front

Back

x = 55°

Front

Back

50°

Front

If m∠RST = (12x -1)°, m∠RSU = (9x -15)°, and m∠UST = 53°, find each measure.

Back

x = 13, m∠RST = 155°, m∠RSU = 102°

Front

∠1 and ∠2 form a linear pair. If m∠1 = (5x + 9)° and m∠2 = (3x + 11)°, find the measure of each angle.

Back

m∠1 = 109° and m∠2 = 71°

Front

Solve

Back

145°

Front

Solve

Back

50°

Front

Solve

Back

178°

Front

Back

10

Front

Back

12