A7 Angles & Triangles

What kind of triangle is this?

• Acute
• Right
• Sparkly
• Obtuse

What kind of triangle is this?

• Acute
• Super
• Right
• Obtuse

An angle that is exactly 90 degrees.

• right
• acute
• obtuse
• straight

An angle that is less than 90^o.

• right
• acute
• obtuse
• straight

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

What is the value of the missing angle?

• 90

• 100

• 20

• 120

What is the value of the missing angle?

• 105

• 80

• 55

• 25

What is the value of x?

• 38

• 57

• 76

• 85