12/3/24 Sectors, Arcs, Angles, & Tangents

Front

What is the perimeter of a polygon with sides measuring 15.4, 12.0, 20.0, and 20.0?

Back

67.4

Front

A tangent line intersecting with a radius always creates a ____________ angle.

Back

right

Front

Is line AB tangent to the circle if it intersects at one point?

Back

NO

Front

What is the measure of ∠PTQ if it is formed by two tangents intersecting outside the circle?

Back

140°

Front

Find the segment length indicated if the tangent segment is 7.5 units long.

Back

7.5

Front

Define a tangent line in relation to a circle.

Back

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

Front

What is the relationship between the radius and a tangent line at the point of tangency?

Back

The radius is perpendicular to the tangent line at the point of tangency.

Front

If two tangents are drawn from a point outside a circle, what can be said about their lengths?

Back

The lengths of the two tangent segments are equal.

Front

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

Back

C = 2πr, where r is the radius.

Front

What is the measure of an angle formed by two tangents drawn from a point outside the circle?

Back

The angle is equal to half the difference of the measures of the intercepted arcs.