Area of a Circle and a Sector — Unit test Answers

UV and RV are secant segments that intersect at point V.

Consider circle N with radius 30 cm and radians.

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.

Circle K is shown. Tangents S T and U T intersect at point T outside of the circle. A line is drawn from point T to point R on the opposite side of the circle. It goes through center point K. Lines are drawn from points S and U to center point K.

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 .

is tangent to circle P at point Q.

Triangle BCD is isosceles and BC ≅ BD.

Consider circle C with angle ACB measuring radians.

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?

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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 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.

All tangents to the circle are congruent and form a square. The perimeter of square ACEG is 24 cm.

The chords intersect at point U.

Circle O has a circumference of approximately 28.3 cm.

A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius. Each of the central angles has a measure of 40°. How many sides does the polygon have?

Arc QVT measures 156°.

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

Given: Circle O; intercepts ; D intercepts Prove: