Geometry Unit 4B Arc Length

Which of the following options is a classification for an arc? Select all that apply.

- minor arc - major arc - semicircle

Find the circumference of a circle with a radius of 6. Leave your answer in terms of π.

12π

Circle K has a diameter of 24 inches. Find the exact length of semicircle HJI. In your final answer, include all of your calculations.

12π in.

Find the exact length of Arc ADC. In your final answer, include all of your calculations.

15π m

Given circle P, which of the following options best represents the m Arc ACD

180 degrees

Which of the following options could be the measure of a major arc?

196 degrees

Circle E has a radius of 40 centimeters with Arc AB = 324 degrees. Find the exact length of Arc AB.

72π cm.

Item: Circle D has a radius of 16 inches and right central angle, ∠EDF. Find the exact length of Arc EF.

8π in.

a portion of the circumference of a circle

arc length

the degree measurement of an arc (in reference to its central angle)

arc measure

the distance around a circle

circumference

the distance through the center between points on a circle

diameter

Circle Q has the central angle ∠AQB with a measure of 55°. Which of the following option is not true?

m ArcB B = 110 degrees

an arc which measures less than 180°

minor arc

the distance from the center to any point on a circle

radius

an arc which measures exactly 180°

semicircle