Angles that add up

1. Two angles on a straight line are 65 degrees and ?. What is the missing angle?

Answer:

2. Three angles sit on a straight line: 40, 70 and ?. What is the missing one?

• 60
• 70
• 80
• 110

3. Two angles make a right angle. One is 28 degrees. What is the other?

Answer:

4. Angles round a point add to 360. Three are 90, 120 and 60. What is the fourth?

• 60
• 80
• 90
• 120

5. Two obtuse angles can sit together on a straight line.

• True
• False

6. A triangle has angles of 60 and 70 degrees. What is the third?

Answer:

7. A triangle has angles of 90 and 35 degrees. What is the third?

• 45
• 55
• 65
• 125

8. A clock hand turns from 3 to 6. How many degrees?

Answer:

9. Two equal angles together make a straight line. How big is each?

• 45 degrees
• 60 degrees
• 90 degrees
• 180 degrees

10. The angles inside any triangle always add to 180 degrees.

• True
• False