The diagram shows the cross-section ABCD of a glass prism. AD = BC = 4 cm and
Question:
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.
Transcribed Image Text:
(20 + 2 sin 0 - 1) = π
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a Arc AB 6 20 120 Length DC Chord AB a 6 6 2 x ...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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