smc-4240-55-Secants

Circle Geometry, SMB-016

The line is a tangent to a circle and the secant intersects the circle at and .

Given that and , find the value of . (2 marks)

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The line is the tangent to the circle at , and is a secant meeting the circle at and .

Given that , and , find the value of . (2 marks)

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Two secants from the point intersect a circle as shown in the diagram.

What is the value of ? (2 marks)

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Two secants from the point intersect a circle as shown in the diagram.

What is the value of ?

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Show Worked Solution