Page 31 - Key Stage 3 Geometry

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You now have perpendicular lines with a 90 between
them.

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Exercise 2-9: 45 Angle
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In this exercise you are going to draw an angle of 45
using you compasses and ruler. Do the following.

1. Draw a horizontal line of length 10 cm.
2. Mark the mid-point of you line using your ruler

(5 cm).

3. Using a setsquare, draw a vertical 6 cm
perpendicular to the mid-point.

4. With your compasses, place the point at the

mid-point of you line and extend until the
pencil touches the left end of your horizontal

line.

5. Draw and arc which passes through the
horizontal line and the vertical line.

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