Calculating missing angles

What is the size of angle x?

y = ​ (a)   °

• 110
• 103
• 180
• 13

What is the size of a right angle?

• 0°

• 90°

• 180°

• 360°

What is the angle of a straight line?

• 0°

• 90°

• 180°

• 360°

What is the size of the missing angle?

• 0°

• 45°

• 90°

• 135°

What is the size of the missing angle?

x = ​ (a)   °

• 180
• 90
• 125
• 35

What special total do the 3 angles in a triangle always add up to?

• 0°

• 90°

• 180°

• 360°

What is the size of angle x?

• 79°

• 11°

• 259°

• 90°

What is the size of angle c?

• 40°

• 80°

• 170°

• 85°