Mini Flashcard

Front

What is the measure of arc FH?

Back

140°

Front

What is the measure of angle K and angle M?

Back

Front

Liam is designing a circular garden and places a bench at point T, which is the center. He wants to place a statue at point Q such that the angle ∠PTQ is formed. What is the measure of ∠PTQ?

Back

140°

Front

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

Back

150°

Front

How many degrees are in a circle?

Back

360°

Front

What is the definition of 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

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

Front

What is the relationship between the central angle and the arc length?

Back

The arc length s of a circle is directly proportional to the central angle θ (in radians) and the radius r: s = rθ.

Front

What is the measure of a straight angle?

Back

A straight angle measures 180°.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180°.