Do you know your angles? Let's find out.

If ∠STW = 95° and ∠WTK = 39°, find the measure of ∠STK.

A straight angle R T K has rays T to S and T to W coming out of one side

56°

95°

39°

134°

Answer: 134°

Which angle is adjacent to ∠WTK?

∠WTK

∠RTS

∠STW

∠RTK

Answer: ∠STW

∠RTS is congruent to ∠KTR. If ∠RTS = 2x + 7 and ∠KTW = 5x - 5, solve for x.

A straight angle R T K has rays T to S and T to W coming out of one side

4°

1°

44°

0.5°

Answer: 4°

∠RTS is congruent to ∠KTW. If ∠KTW = 44°, find the measure of ∠RTS.

A straight angle R T K has rays T to S and T to W coming out of one side

44°

136°

144°

cannot be determined

Answer: 44°

If DB is an angle bisector for ∠ABC, then solve for ∠ABD.

Obtuse angle A B E has rays B to D and B to C coming out of the inside

164°

16°

100°

32°

Answer: 164°

Find the sum of the adjacent angles, ∠DBC and ∠CBE

Obtuse angle A B E has rays B to D and B to C coming out of the inside

164°

100°

132°

68°

Answer: 132°

If ∠STW = 3x + 11. ∠WTK = 40°, and ∠STK = 156°, use an equation and solve for x.

A straight angle R T K has rays T to S and T to W coming out of one side

35°

105°

9°

1°

Answer: 35°

If DB is an angle bisector, find the sum of all three adjacent angles.

Obtuse angle A B E has rays B to D and B to C coming out of the inside

164°

64°

16°

68°

Answer: 164°

If the sum of all three angles is 180° and ∠RTS is congruent to ∠KTR, and ∠STW = 100°, find m∠RTS

A straight angle R T K has rays T to S and T to W coming out of one side

80°

40°

44°

39°

Answer: 40°

If ∠ABE = 170°, then let ∠ABD = x. and solve for x.

Obtuse angle A B E has rays B to D and B to C coming out of the inside

132°

170°

38°

none of these

Answer: 38°

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