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Quiz

Year 1: Plane figures

10 questions with solutions for year 1: angles, angles at parallel lines, triangles, angle sum, right-angled triangles and Pythagoras’ theorem, quadrilaterals, inscribed and circumscribed circles, polygons.

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

1. The supplement of 65° is:

2. Two angles of a triangle are 50° and 70°. What is the third?

3. Legs 6 and 8. What is the hypotenuse?

4. Hypotenuse 13, one leg 5. What is the other leg?

5. An exterior angle of a triangle is 110°, one opposite interior angle is 40°. What is the other?

6. The interior angles of a hexagon add up to:

7. Each interior angle of a regular octagon is:

8. Parallel lines are cut by a transversal. Alternate angles are:

9. The centre of a triangle’s circumscribed circle is where these meet:

10. In a rhombus the diagonals are: