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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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
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Related Book For 
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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