4.2.2 Determine the area of AADB in terms of h and B.
QUESTION 5
In the diagram below. two concentric circles
with centre O are drawn. Chord BDE of the
larger circle has a length of 24 cm and is a
tangent to the smaller circle at D.
The radius of the smaller circle is 5 cm.
AB is the diameter of the larger circle.
5.1 Calculate the length of OB.
5.2 Show that OD #AE.
(4)
ུ
Answer
Page 5 of 6
5 cm
D
24 cm+
[16]
161
151
