Circles Review (Honors) 2024

Front

A chord is a segment that connects ___________

Back

2 endpoints of a circle

Front

What part of the circle is present?

Back

Tangent

Front

Find the center of the circle if the endpoints of a diameter of the circle are at (-12, -7) and (3, 5)

Back

(-9/2, -1)

Front

If you are given a radius and asked to find the diameter what do you do?

Back

Multiply the radius by 2

Front

Back

(9, -3); r = 7

Front

Define a circle.

Back

A circle is a set of points in a plane that are equidistant from a fixed point called the center.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Front

What is the area of a circle?

Back

A = πr^2, where r is the radius.

Front

What is a diameter?

Back

A diameter is a chord that passes through the center of the circle, connecting two points on the circle.

Front

What is a tangent line?

Back

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