Unit Test Answers

Line segment KL is tangent to circle J at point K.

In circle T, ∠PTQ ≅ ∠RTS.

Which equation represents the circle described?The radius is 2 units. The center is the same as the center of a circle whose equation is x2 + y2 – 8x – 6y + 24 = 0.

Circle C is shown. Secants U W and Y W intersect at point W outside of the circle. Secant U W intersect the circle at point V and secant Y W intersects the circle at point X.

In circle P, diameter QS measures 20 centimeters.

Circle A is shown. Tangents L M and N M intersect at point M outside of the circle. Arc L N is 270 degrees.

Consider circle Y with radius 3 m and central angle XYZ measuring 70°.

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

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

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 B is shown. Line segments A B and C B are radii. The length of A B is 6. Sector A B C is shaded.

Which is true regarding secants and chords?

Circle C is shown. Radius A has a length of r.

Circle D is shown. Angle A C B intercepts arc A B. Arc A B has a measure of 76 degrees.

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.

What is the radius of a circle whose equation is (x + 5)2 + (y – 3)2 = 42?

Line segment SU is a diameter of circle V.

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