3.20 Module test

Module test

1. Join the correct answer in column B with the definition in column A:

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2. Name the following angles.

a)

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c)

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3. An aeroplane flies for 400 km in the direction of 040 degrees. It then changes direction and flies a further 300 km in the direction of 125 degrees. Draw the aeroplane’s route. 1 cm = 100 km.

(2)

4. True or false?

a) This polygon is convex.____________________________________________

b) At least one of the inner angles of a concave polygon is a reflex angle. _______________________________________________________________

c) A triangle is rigid.________________________________________________

d) An irregular polygon’s sides are all equally long.________________________

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5. Calculate the size of each corner of a regular heptagon by using the formula you learnt.

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6. Measure the following angles with your protractor.

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(2)

7. What kind of triangles are each of the following?

a) ..................................................

b) ..................................................

c) ..................................................

3)

8. A figure is symmetrical if

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9. Draw a polygon with four axes of symmetry. Show each axis with a broken line.

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10. Use broken lines and show how you would make a pentagon sturdy.

(1)

11. Draw any figure that tessellates in the block below.

(1)

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