Question

1
13. A figure is made up of a triangle ABD and a semicircle.
BOD is the diameter of the semicircle with
centre 0. If AB = AD 5.7 cm, BD = 7 cm and
AOC = 8
= 8 cm, find
B
(i) the perimeter,
5.7 cm
(ii) the area,
of the figure.
C С 7 cm o
D
8 cm-​

Answer 1

Answer:

BOD is the diameter of the semicircle with

centre 0. If AB = AD 5.7 cm, BD = 7 cm and

AOC = 8

= 8 cm, find

B

(i) the perimeter,

5.7 cm

(ii) the area,

of the figure.

C С 7 cm o

D