Solving problems involving angles and equations

Identify the relationship:

• vertical

• supplementary (angles add up to 180^o)

• complementary (angles add up to 90^o)

Four straight lines k, l, m, and n intersect as shown in the diagram. Lines k and n are perpendicular. Find the value of x.

• 23 degrees

• 28 degrees

• 53 degrees

• 55 degrees

If angle b is 160º what is angle a?

• 160º

• 20º

• 40º

• 90º

• Can not be determined

Adjacent angles......

• overlap each other

• share a vertex and overlap each other

• share a vertex and a common side but do not overlap each other

• are across from each other

Solve for x. (*Do NOT include "x = " in your answer.)

Find the value of x.

• x = 43

• x = 41

• x = 15

• x = 16

What kind of angles are angles 1 and 2?

• Vertical

• Consecutive Interior

• Alternate Interior

• Linear Pair

• Alternate Exterior

Identify the angle pair.

• Complementary angles
• Congruent angles
• Linear Pair/Consecutive Angles
• Vertical Angles

Solve

• 134°
• 78°
• 180°
• 178°

Angles 2 and 1 are what angle pair?

• Vertical Pair

• Linear Pair