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1 Pure Mathematics

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Question 1240

Two sectors have the same angle θ \theta\,θ radians. Their arc lengths are 15 cm and 9 cm. The difference between their areas is 72 cm2^22.

a.

Express the two radii in terms of θ\thetaθ.

[2]
b.

Find θ\thetaθ.

[3]
c.

Hence find the two radii.

[1]
Markscheme

1 Pure Mathematics Questions

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