Angle Revision

1.An angle of 870 is called a. reflex b. acute c. obtuse b

2.Angles of a triangle add up to b.3600 c.1800 c

3. A triangle whose sides are all equal is called a. scalene b. isosceles c. equilateral c

4. The angles of an equilateral triangle are each B. 600 c. 300 b

5.Angles on a straight line add up to b. 1800. c. 900. b

6. A triangle has an angle of 400and an angle of 370 6. A triangle has an angle of 400and an angle of 370. What is the third angle? a. 130 b. 1030 c. 2830 b

7. A right angled triangle has one angle equal to 230 7. A right angled triangle has one angle equal to 230. The third angle is a. 760 b. 670 c. 2470 b

8. A shape with four sides is called a a. pentagon b. quadrilateral c. hexagon b

9.Angles of a quadrilateral add up to b. 3600 c. 5400 b

10. Three angles of a quadrilateral are 1000 870 650 . The fourth one is b. 1080 c. 1180 b

11. A shape has 4 equal sides but does not necessarily have 4 right angles. It is a a. parallelogram b. square c. rhombus c

12. A shape that has only one pair of parallel sides is a a. kite b. parallelogram c. trapezium c

13. Which shape describes a rubbish skip and a lean-to shed? a. rectangle b. trapezium c. parallelogram b

14. How many lines of symmetry has a rectangle? b. 0 c. 2 c

15.The order of rotational symmetry of a parallelogram is b. 4 c. 2 c

16.These angles are called x a. allied b. corresponding c. alternate x b

a 17. Corresponding angles a. are equal b. add up to1800 c. add up to 900 a

18. These angles are called b a. allied b. corresponding c. alternate b c

19.Alternate angles a. add up to 1800 b. add up to 900. c. are equal c

20.These angles a. add up to 1800 b. add up to 900 c. are equal c c c

21. Angle a equals 135 a A. 1350 b. 450 c.2150 a

22. Angle b equals 75 b a. 1150 b. 150 c. 750 c

b 23. Angles around a point a. are all equal b. add up to 3600 c. add up to 1800 b

24. The exterior angles of any polygon add up to b. 1800 c. 5400 a

25. An interior and an exterior angle of a regular polygon add up to b. 900 c. 1800 c

26. The sum of the interior angles of a hexagon equal b. 3600 C 7200. c

27. Each interior angle of a regular hexagon equals b. 600 c. 1200 c

28. The sum of the interior angles of a pentagon equals b. 5400 c. 3600 b

29. Each interior angle of a regular pentagon equals b. 540 c. 720 a

30. The sum of the interior angles of an octagon equals b. 5400 c. 3600. a

31. Each interior angle of a regular octagon equals b. 1080 c. 1350 c

31. Imagine a regular hexagon split into halves 31. Imagine a regular hexagon split into halves. The shape of each half is a. an equilateral triangle b. a hexagon c. a trapezium. c

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