Pre-Algebra Angles

This is what kind of angle?

• obtuse

• right

• straight

• acute

Given the following two parallel lines cut by a transversal. Which pair of angles represents alternate interior angles?

• True

• False

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

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

• x = 13

  m∠RST = 155°

  m∠RSU = 102°

• x = 3

  m∠RST = 35°

  m∠RSU = 12°

• x = 22

  m∠RST = 263°

  m∠RSU = 183°

• x = 8

  m∠RST = 95°

  m∠RSU = 57°

• x = 118

• x = 108

• x = 28

• x = 58

• x = 62

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What is the measure of the missing angle?

• 76

• 66

• 156

• 154

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither