Int 2 Unit 5 Review

Front

What is a line that intersects a circle at exactly one point?

Back

A tangent.

Front

What is the measure of arc AYB if it is given as an option: 50, 100, 180, 260?

Back

260.

Front

Which segment represents a radius in a circle? Options: segment AC, segment DB, segment AB, segment BC.

Back

Segment DB.

Front

What is the measure of arc WYZ if it is given as an option: 231, 255, 168, 200?

Back

231.

Front

If the value of x in a diagram is given as undefined, what is the value of x?

Back

14.

Front

Define a tangent in relation to a circle.

Back

A tangent is a line that touches a circle at exactly one point.

Front

What is the definition of a radius in a circle?

Back

A radius is a line segment from the center of the circle to any point on the circle.

Front

What is the relationship between the central angle and the arc length in a circle?

Back

The arc length is proportional to the central angle.

Front

What is the formula for calculating the circumference of a circle?

Back

The circumference C is given by the formula C = 2πr, where r is the radius.

Front

What is the measure of a full circle in degrees?

Back

360 degrees.