4-6-21: T13 B1 Triangles and Angles

This is what kind of angle?

• acute
• obtuse
• right
• straight

This is what kind of angle?

• obtuse
• right
• straight
• acute

This is what kind of angle?

• right
• acute
• obtuse
• straight

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

How many degrees make up a triangle?

• 45
• 90
• 60
• 180

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse