Unit Test — Unit test Answers

Consider circle N with radius 30 cm and radians.

Angle K measures 67º and angle L measures 119°.

Line EF is tangent to circle G at point A.

Circle R is shown. Tangents F G and H G intersect at point G outside of the circle to form an angle with a measure of 50 degrees. Point E is on the second arc. Arc F H has a measure of x degrees.

A circular table top has a radius of 24 inches.What is the area of the table top, to the nearest square inch? Use 3.14 for .

Points D, E, and F are on circle C and EF ≅ DF.

Triangle BCD is isosceles and BC ≅ BD.

Circle Y is shown. Chords R T and S U intersect. Arc R S is 106 degrees. The angle that intercepts arc R S is 94 degrees.

Consider circle C with angle ACB measuring radians.

Points A, B, C, and D lie on circle M. Line segment BD is a diameter. The measure of arc CD equals the measure of arc DA.

Liliana is making a vase with a circular base. She wants the area of the base to be between 135 cm2 and 155 cm2.Which circle could represent the base of the vase? Use 3.14 for .

Circle B is shown. Line segments C B, D B, and E B are radii. Angle C B E is 52 degrees and angle E B D is 160 degrees.

In circle O, and are diameters. Arc ED measures 17°.

Line segment ON is perpendicular to line segment ML, and PN = 10.