Question: A shape is made from joining a triangle ABC to a sector CBD of a circle with radius 7 cm and centre C. The points

A shape is made from joining a triangle ABC to a sector CBD of a circle with radius 7 cm and centre C. The points A, C and D lie on a straight line with AC = 9 cm. Angle BAC = 0.5 radians. Find

a) The angle ACB giving your answer in radians

b) The area of ABDC.

A 0.5 rad 9 cm C B 7cm 7cm D

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ANSWER We can see that triangle ABC is a right triangle since angle BAC is 05 radians and angle ACB ... View full answer

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