The diagram shows the cross-section ABCD of a glass prism. AD = BC = 4 cm and

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The diagram shows the cross-section ABCD of a glass prism. AD = BC = 4 cm and both are at right angles to DC. AB is the arc of a circle, center O and radius 6 cm. Given that ∠AOB = 2θ radians, and that the perimeter of the cross-section is 2(7 + π) cm,

a. 

b. Verify that θ = π/6.

c. Find the area of the cross-section.

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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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