arc measure and lengthy

Front

What is the measure of arc AB if it is given as 142 degrees?

Back

The measure of arc AB is 142 degrees.

Front

How do you find the length of an arc given the radius and the angle in degrees?

Back

Arc Length = (θ/360) * 2πr, where θ is the angle in degrees and r is the radius.

Front

What is the measure of arc AD if it is given as 38 degrees?

Back

The measure of arc AD is 38 degrees.

Front

Convert 75 degrees to radians.

Back

75 degrees = 5π/12 radians.

Front

What is the formula to calculate the length of a bold arc?

Back

Length of arc = (θ/360) * 2πr.

Front

If the radius of a circle is 10 inches and the angle is 60 degrees, what is the length of the arc?

Back

Length of arc = (60/360) * 2π(10) = 10.47 inches.

Front

What is the relationship between degrees and radians?

Back

180 degrees = π radians.

Front

How do you calculate the measure of an arc in a circle?

Back

The measure of an arc is equal to the central angle that subtends the arc.

Front

What is the measure of arc JKM if it is given as 201 degrees?

Back

The measure of arc JKM is 201 degrees.

Front

If an arc measures 140 degrees, what fraction of the circle does it represent?

Back

140 degrees represents 140/360 = 7/18 of the circle.