The circle C has centre (5, 2) and radius 5. The points X (1, 1), Y (10,

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The circle C has centre (5, 2) and radius 5. The points X (1, −1), Y (10, 2) and Z (8, k) lie on the circle, where k is a positive integer.

a. Write down the equation of the circle.

b. Calculate the value of k.

c. Show that cos ∠XYZ = √2/10

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 16, 2023 12:22 AM

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The circle C has centre (5, 2) and radius 5. The points X (1, 1), Y (10,

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a To write down the equation of the circle we can use the general equation for a circle x h2 y k2 r2 Where h k represents the center of the circle and ...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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