Page 128 - Mathematics Coursebook

End of unit review

End of unit review

1 Measure these lines. Give the measurements correct to the nearest mm.
Write each measurement in i cm ii mm.
a b

2 Draw straight lines with lengths of:
a 5.7 cm b 0.8 cm.
Write the length of each line next to it.
How can I use my 15 cm ruler
3 Razi has a ruler 15 cm long. to draw a line exactly 19.8 cm?
Explain what Razi will need to do.

4 Draw two parallel line segments that are 8 cm long and 2.5 cm apart.
5 Draw XY which is 9 cm long. Mark the point Z on XY so that Z is 4 cm from X. Draw a line from Z,
which is perpendicular to XY.

6 Draw an accurate copy of each of these triangles.
a b
9 cm
5 cm
9 cm
5 cm 9 cm 9 cm
5 cm 5 cm
40° 25°
40° 8 cm 25° 6.5 cm
40° 40° 25° 25°
8 cm 6.5 cm
6.5 cm
8 cm 8 cm 6.5 cm
c d

115°
30° 55° 35°
115°
30° 55° 115° 115° 35°
30° 30° 7 cm 55° 55° 9 cm 35° 35°
7 cm 9 cm
7 cm 7 cm 9 cm 9 cm
7 a Look at the sketch of triangle ABC. A
What do you need to do before you can
draw this triangle? 105°
b Draw an accurate copy of triangle ABC.
c Measure and write down the length of AB. 48°
d Measure and write down the length of AC. B 8.5 cm C
8 Make an accurate drawing of a square with sides of length 5.5 cm.
9 Make an accurate drawing of a rectangle with length 7 cm and width 4.2 cm.

10 Make an accurate drawing of a regular hexagon with a side
length of 3.5 cm and an internal angle of 120°

120°
3.5 cm
12 Constructions 127