Unit 8 Test Answers

Circle H is shown. Line segments G H and J H are radii. The length of G H is 20. Angle G H J is 162 degrees.

Circle O has a circumference of approximately 28.3 cm.

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.

Triangle BCD is isosceles and BC ≅ BD.

In quadrilateral QRST, measures (5x+15)°. Angle TQR measures (4x+3)°.

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.

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 .

Triangle JKL is equilateral. One side of the triangle, JL, is a diameter of circle M. Which is true about line segments JK and KL?

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.

Line EF is tangent to circle G at point A.

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

The chords intersect at point U.

Which statements about the clock are accurate? Select three options.

Line segment BD passes through the center of circle C, BH = a, and HD = 8.

Which circle shows that measures 60°?