Circle Basics G.C.A.2 Arcs, Arc Measure, Chords, Tangents

Which of the following is a true statement?

• A tangent intersects a circle at two distinct points.

• A tangent line might be perpendicular to the radius containing the circle center and the point of tangency.

• A point of tangency is the intersection between two tangent lines.

• A tangent intersects the circle at exactly one point.

Which of the following is a chord of circle E?

• segment EK

• segment HE

• segment ET

• segment MJ

Which arc would have the greatest measure?

• Arc AHM

• Arc GTA

• Arc MJT

• Arc HTK

What is the measure of arc AC?

• 25°

• 115º

• 155º

• 125º

The measure of arc ABD is

• 244º

• 208º

• 280º

• 164º

Find the length of segment DC to the nearest tenth of a centimeter.

• 9.7 cm

• 12.1 cm

• 9.8 cm

• 12.0 cm

If AB=8, AE=19, and CE=17, what is the measure of segment BC?

• 6 units

• 8 units

• 8.5 units

• 11 units

Tags

CCSS.HSG.C.A.2

Find the length of x

• 11 cm

• 9 cm

• 10 cm

• there is not enough information to determine x

• x=16 cm

• x=8 cm

• x=4√3 cm

• x=8√3 cm

If the perimeter of triangle ABC is 46 cm, the radius of circle C is 8 cm, and the radius of circle A is twice the radius of circle B,

• then the radius of A is 12 cm

• then the radius of B is 5 cm

• then the length of AB is 30 cm

• then the radius of A is 15 cm