Angles in a Triangle Lesson

What is the measure of angle b

• 146
• 34
• 36
• 136

What is the measure of the missing angle?

• 140
• 130
• 50
• 90

Two angles whose sum of angle measures equals 90 degrees  

• Adjacent Angles 
• Complementary Angles
• Congruent Angles
• Supplementary Angles

This triangle is ...

• scalene
• right
• obtuse
• equilateral

Find the measure of the missing angle.

• 154 degrees
• 26 degrees
• 180 degrees
• 64 degrees

Find the measure of the missing angle.

• 72 degrees
• 108 degrees
• 18 degrees
• 90 degrees

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

If ∠COB is 124°, then what is ∠BOD? How are they related?

• 56°, they are supplementary
• 90°, they are complementary
• 124°, they are vertical

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

What is the value of the missing angle?

• 61
• 50
• 60
• 69