Shapes EXERCISES
Angles
1. What is a 90° angle called?
2. Which of these angles is an obtuse angle?
3. On a straight line, the pink angle is 65°. What is the blue angle?
4. An angle between 180° and 360° is called what?
5. Two interior angles in a triangle are 60° and 80°. What is the third angle?
6. Oliver tells Marley he can take a slice of cake with an acute angle at its tip. Which of these slices should Marley choose?
7. Millie wants to cut a pizza into 10 equal slices. What will the angle at the tip of each slice need to be?
8. It is a quarter past 6. The minute hand has turned 90 degrees since it last pointed to the number 12. How many more degrees does the minute hand need to turn before it reaches the number 12 again?
9. Using a calculator, work out the missing angle in the shape pictured. Which of these angles is the correct answer?
10. Find the angle marked “?” in the triangle below (not drawn to scale).
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