An arc AB of a circle, centre O and radius r cm, subtends an angle radians
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An arc AB of a circle, centre O and radius r cm, subtends an angle θ radians at O. The length of AB is l cm.
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a Find / when: ir= 6,0 = 0.45 b Find when: i 1 = 10, 0 = 0.6 e Find when: i /= 10, r = 7.5 ii r = 4.5, 0 = 0.45 ii / 1.26, 0 = 0.7 ii = 4.5, r = 5.625 3 iii r = 20, 0 = ㅠ 8 5 iii 1 = 1.5T, 0 = - π 12 iii /=√12, r = √3
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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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