Page 47 - Cambridge+Checkpoint+Mathematics+Coursebook+9

5.3 Solving angle problems

2 PQS and RQT are straight lines. P R
a Work out the value of c. 68° 86°
b Work out the value of d.
Q
c°

54°
d°
T
S

3 ABCD is a square. C
DEF is an equilateral triangle.
Work the size of the angle labelled d°. B
E
D d°

25° 40°
A F

4 O is the centre of the circle. B
AB is a diameter.
Calculate the values of a and b. b°
O

54°
a°
A
C

5 This shape has a line of symmetry through W. W
Calculate the value of w. w°
V X
105°

Z Y

6 PQR is a straight line. P Q R
QRST is a parallelogram. x° y° z°
a Work out the value of x.
b Work out the value of y.
c Work out the value of z.
73° 46°
T S

46 5 Shapes