year 8 maths

374 Chapter 6 Angle relationships and properties of geometrical figures 1
2 Use a ruler and protractor to make a neat and accurate drawing of these special quadrilaterals.
square
rectangle
7 cm
3 cm
3 cm
7 cm
kite
3 cm
7 cm
5 cm
parallelogram
rhombus
70°
70°
7 cm
5 cm
3 cm
3 cm
70°
trapezium
7 cm
Use your shapes to write YES in the cells in the table, for the statements that are definitely true.
Property Trapezium Kite Parallelogram Rectangle Rhombus Square
The opposite sides are
parallel
All sides are equal
The adjacent sides are
perpendicular
The opposite sides are equal
The diagonals are equal
The diagonals bisect
each other
The diagonals bisect each
other at right angles
The diagonals bisect the
angles of the quadrilateral
Example 5a
3 Find the value of the pronumerals in these quadrilaterals.
a
b
b°
108°
b°
c
a°
a°
a°
52°
76°
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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