Find missing angles

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Define Acute Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Find the size of the missing angle.

• 47

• 57

• 53

• 133

Find the size of the missing angle.

• 140°

• 21°

• 105°

• 25°

A triangle's angles add up to...

• 90 Degrees
• 180 Degrees
• 360 Degrees
• OVER 9000 Degrees

What is the size of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Find the size of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Find the size of the missing angle.

• 135^o

• 35^o

• 45^o

• 30^o

What is the size of angle x?

What is the size of angle x?