Back to Exercise: Tangent lines and chord properties

Tangent Lines and Chord Properties - Practice Set

Grade 10·21 problems·~35 min·Digital SAT Math·topic·sat-geotrig-circ-tangent
Printable layout
A

Recall / Warm-Up

1

A line is tangent to a circle at point PP. A radius is drawn to point PP. What angle do the tangent line and radius form?

A.

45°45\degree

B.

60°60\degree

C.

90°90\degree

D.

180°180\degree

2

A right triangle has a hypotenuse of 1010 and one leg of 66. Find the length of the other leg.

3

Which statement correctly describes a chord of a circle?

A.

A chord passes through the center of the circle.

B.

A chord is tangent to the circle.

C.

A chord has both endpoints on the circle.

D.

A chord always bisects the circle.

B

Fluency Practice

1

A circle has center OO and radius 55. A tangent line touches the circle at point PP. If the distance from OO to a point QQ on the tangent line is 1313, find PQPQ.

2

A circle has radius 77. A tangent line from external point PP touches the circle at TT. The distance OP=25OP = 25. Find the length of the tangent segment PTPT.

3

Two tangent lines are drawn from external point PP to a circle of radius 66. The distance from PP to the center OO is 1010. Find the length of each tangent segment.

4

A circle has radius 1010 and a chord is 88 units from the center (perpendicular distance). Find the chord length.

5

Two chords intersect inside a circle. One chord is divided into segments of 66 and 44. The other chord is divided into segments of 33 and xx. Find xx.

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