Unit 6A GS Flashcard

Front

What is the measure of angle PTQ if the options are 100°, 140°, 180°, and 120°?

Back

The measure of angle PTQ is 140°.

Front

What is the measure of arc DBC?

Back

The measure of arc DBC is 221°.

Front

If a + b = 167° and a = 93°, what is the value of b?

Back

b = 74°.

Front

What is the measure of arc JH if the options are 93°, 130°, 120°, and 95°?

Back

The measure of arc JH is 130°.

Front

If the equation is x + 2 = 8, what is the value of x?

Back

x = 6.

Front

Define a central angle in a circle.

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides are radii that intersect the circle.

Front

What is the relationship between the measure of an inscribed angle and the arc it intercepts?

Back

The measure of an inscribed angle is half the measure of the intercepted arc.

Front

What is the formula for the circumference of a circle?

Back

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

Front

What is the formula for the area of a circle?

Back

The area A of a circle is given by the formula A = πr², where r is the radius.

Front

What is the definition of a chord in a circle?

Back

A chord is a line segment with both endpoints on the circle.