Circles

Front

What is the center of the circle in the equation (x-3)²+(y-2)²=16?

Back

(3,2)

Front

Write the Standard Equation for a circle with a center (-2,5) and radius 7.

Back

(x+2)² + (y-5)² = 49

Front

What is an angle whose vertex lies on the circle and whose sides are chords of the circle called?

Back

Inscribed angle

Front

What is the part of the circle that is half of the circle called?

Back

Semi-circle arc

Front

What is the term for the distance from the center of the circle to any point on the circle?

Back

Radius

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Front

What is the formula for the area of a circle?

Back

A = πr², where r is the radius.

Front

What do you call a line segment that passes through the center of the circle and has endpoints on the circle?

Back

Diameter

Front

What is the term for a portion of the circumference of a circle?

Back

Arc

Front

What is the term for the area enclosed by two radii and the arc between them?

Back

Sector