Angles Acute Obtuse Right Line Points Perpendicular Line Segments

Which angle type is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which type of angle is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which angle type is pictured?

• Acute

• Right angle

• Obtuse

• Straight line

Which calculation do we need to find the missing angle?

What is the value of angle a?

• 145

• 135

• 125

• 45

Find the angle at y

• 105

• 85

• 75

• 80

If Angle 1 is 155 find the degree of angle 5

• 25 degrees

• 155 degrees

• 180 degrees

• 75 degrees

Find the degree of angle 7

• 180 degrees

• 154 degrees

• 26 degrees

• 52 degrees

Find the value of x.

• 18°
• 28°
• 38°
• 118°

Alternate angles...

• ... are equal.

• ... sum to 180 degrees.

• ... sum to 360 degrees.