(i)[2]
Find $AB$'s length.
(ii)[3]
Find the plate's perimeter.
(iii)[3]
Find the plate's area.
Mathematics 9709 · AS & A Level · Coordinate geometry
Coordinate geometry — practice question
The diagram depicts a metal plate formed by cutting out a segment from a circle with centre $O$ and radius $8$ cm. The line $AB$ is a chord of the circle, and the angle $AOB = 2.4$ radians.
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