Tangent to Circle

Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?

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Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?

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Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?

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ST is tangent to ⊙Q. Find the radius of ⊙Q

Find the length of tangent drawn to circle with radius 8 cm from a point 17 cm way from the centre of the circle

Whether ST is tangent to ⊙P. Explain your reasoning.

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  Use the Converse of the Pythagorean Theorem. Because

• NO

  Using triangle inequality theorem

• Can't determine

points B and D are points of tangency. Find the value of x.

point B is a point of tangency. Find the radius r of ⊙C.

In the diagram, AB = AC = 12, BC = 8, and all three segments are tangent to ⊙P. What is the radius of ⊙P? Justify your answer.

Find the segment length indicated. Assume that lines which appear to be tangent are tangent.