Unit Test — Unit test Answers

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

Circle G and X connect at point Y. The length of G Y is 10 centimeters and the length of Y X is 16 centimeters.

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 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.

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

Line segment SU is a diameter of circle V.

In circle P, diameter QS measures 20 centimeters.

Circle O has a circumference of 36π cm.

In circle D, ∠EDH ≅ ∠EDG.

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

Consider a circle whose equation is x2 + y2 – 2x – 8 = 0. Which statements are true? Select three options.

Which statements about circle O are true? Select three options.

AD and MN are chords that intersect at point B.

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

Line segments XY and ZY are tangent to circle O.

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.

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.

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?

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

Line segment ON is perpendicular to line segment ML.