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Quiz

Grade 4: Angles and 2D shapes

10 questions with solutions for grade 4: rays, angles, right angles, acute and obtuse angles, naming, drawing and sorting 2D shapes, regular and irregular polygons.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. How many degrees is a right angle?

2. An angle of 40° is:

3. An angle of 120° is:

4. A ray has:

5. How many right angles does a rectangle have?

6. How many sides does a hexagon have?

7. A polygon with 5 sides is a:

8. Which polygon is regular (all sides and angles equal)?

9. A clock hand turns from 12 to 3. What angle does it turn?

10. How many vertices do a triangle and a square have together?