The diagram shows the sector OAB of a circle with centre O, radius 12 cm and angle

Question:

The diagram shows the sector OAB of a circle with centre O, radius 12 cm and angle 1.2 radians. The line AC is a tangent to the circle with centre O, and OBC is a straight line. The region R is bounded by the arc AB and the lines AC and CB.

a. Find the area of R, giving your answer to 2 decimal places. The line BD is parallel to AC.

b. Find the perimeter of DAB.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

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Question Posted: Aug 09, 2023 03:34 PM

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The diagram shows the sector OAB of a circle with centre O, radius 12 cm and angle

Question:

C B R 1.2 rad D 12 cm

Step by Step Answer:

a Calculating the Area of Region R The area of region R can be calculated by subtracting the area of triangle ABC from the area of sector OAB Area of ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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