Angle Relationships (Sec 10-1) — Unit test Answers

Circle D is inscribed with triangle A B C. The measure of arc A B is 76 degrees. Point E is on the circle between points B and C.

Circle T is shown. Angle Q S R intercepts arc Q R. Angle Q S R is 52 degrees.

Angle D is a circumscribed angle of circle O.

Circle O is shown. Chords K M and J L intersect at point A. The measure of arc K J is 170 degrees. The measure of arc L M is 80 degrees.

In circle D, ∠EDH ≅ ∠EDG.

In circle T, ∠PTQ ≅ ∠RTS.

Angle BCD is a circumscribed angle of circle A. Angle BAC measures 53°.

Circle A is shown. Secant W Y intersects tangent Z Y at point Y outside of the circle. Secant W Y intersects circle A at point X. Arc X Z is 105 degrees and arc W Z is 175 degrees.

Which circle has a radius that measures 10 units?

In circle O, and are diameters. The measure of arc AB is 55° and the measure of arc CD is 25°.

Circle O has a circumference of 36π cm.

Line segment ON is perpendicular to line segment ML.

In circle P, diameter QS measures 20 centimeters.

Consider a circle whose equation is x2 + y2 – 2x – 8 = 0. Which statements are true? Select three options. The radius of the circle is 3 units.The center of the circle lies on the x-axis.The center of the circle lies on the y-axis.The standard form of the equation is (x – 1)² + y² = 3.The radius of this circle is the same as the radius of the circle whose equation is x² + y² = 9.

Segments RT and SU are diameters of circle O.

A point is on a circle if the distance from the center of the circle to the point is equal to the

Circle L is shown. Line segments K L and M L are radii. The length of K L is 12. Angle M L K is 60 degrees. Sector M L K with a 60 degree angle is shaded.

A Ferris wheel has a diameter of 42 feet. It rotates 3 times per minute. Approximately how far will a passenger travel during a 5-minute ride?

Circle D is shown with the measures of the minor arcs.

Which is true regarding secants and chords?