10
4024/11/M/J/13
© UCLES 2013
For
Examiner’s
Use
14
O
A
B
T
D
32°
A, B
and
T
are points on a circle, centre
O.
AOD
is a straight line and
DT
is a tangent to the circle at
T
.
TAO
t
= 32°
Find
(a)
ATO
t
,
Answer
ATO
t
=
................................
[1]
(b
)
TDO
t
,
Answer
TDO
t
=
................................
[1]
(c)
ABT
t
.
Answer
ABT
t
=
...............................
[1]

4
4024/11/M/J/13
© UCLES 2013
For
Examiner’s
Use
5
P
X
Q
O
6
PQ
is a chord of the circle, centre
O
.
X
is the midpoint of
PQ.
OX
= 6 cm and the radius of the circle is 10 cm.
Calculate
PQ.
Answer
......................................
cm [2]