Question: The diagram below shows a triangle ABC with AB = 10 cm, AC = 13 cm and angle BAC = 0.5 rad. BD is an

The diagram below shows a triangle ABC with AB = 10 cm, AC = 13 cm and angle BAC = 0.5 rad. BD is an arc of a circle with centre A and radius 10 cm. Find

a) The length of arc BD

b) The perimeter of the shaded region

c) The area of the shaded region.

A 10 cm 13 cm B D C

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