Equation of a Circle — Unit test Answers

is tangent to circle P at point Q.

Consider circle C with angle ACB measuring radians.

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.

Circle F is congruent to circle J, and ∠EFD ≅ ∠GJH.m∠DFE = 80°. What is the measure of arc ?°

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 .

Consider circle N with radius 30 cm and radians.

What is the radius of a circle whose equation is (x – 7)2 + (y – 10)2 = 4?

Triangle BCD is isosceles and BC ≅ BD.

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

Circle Y is shown. Line segments X Y and Z Y are radii. The length of X Y is 16. Sector X Y Z of the minor angle is shaded.