Page 20 - Cambridge IGCSE Mathematics Core and Extended

Mastery Practice 11

1. The diagram is drawn on 6. In the diagram, PST Q
a grid of equal squares. is a straight line. x R
State the number of Find the value of x. 76°
line(s) of symmetry of
80° 130°
the diagram. T
P S

2. 7. In the diagram, PQS P
R R
and TQR are straight x 32°
Q
lines. Find the value 100°
of x. S
P Q T
A
8. In the diagram, ABD
S is an equilateral
D
triangle. Find the
The incomplete shaded shape is drawn on a
value of x. 50°
grid of equal squares. Complete the shape
x
if PQ and RS are the lines of symmetry of
the shape. B C
3. 9. In the diagram, PQR P
and SQT are straight
32°
lines. State the value
of x. 50°
S T
Q x

R
The diagram is drawn on a grid of equal
squares. Draw all the lines of symmetry of 10. In the diagram, ABC A
the diagram. and FED are straight 80° B C
lines. State the value x
4. R
P of x.
x Q 78° 65° 95°
F E D
46°
S
T 11. In the diagram, SRQ P
In the diagram, PQS and TQR are straight is a straight line. Find 80° 25°
lines. State the value of x. the value of x. x
R Q
5. K
S
L P
118° 12. In the diagram, QRS
x is a straight line. Find x
N M
the value of x.
In the diagram, triangle KNM is a right-
110°
angled triangle and KLM is a straight line.
Q R S
State the value of x.

160 Cambridge IGCSE Mathematics

14/07/2022 10:15 AM
DA1501_pg 147 to 161.indd 160
DA1501_pg 147 to 161.indd 160 14/07/2022 10:15 AM