Geometry

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. An angle can also be named just by its .

2. ngles are measured in .

3. A is a geometrical element which has no dimensions.

4. If the sum of two angles is 90° then they are said to be angles.

5. If the sum of two angles is 180° then they are said to be angles.

6. Angles measuring less than 90° are called angles.

7. Angles measuring more than 90° but less than 180° are known as angles.

8. Angles measuring 180° are called angles.

9. Angles measuring 90° are called angles.

10. Angles are measured using .