Circles

diameter is 1/2 of the radius

• true

• false

the circumference is ____

• around circle

• inside circle

• goes through the circle

pie =

• 6.14

• 1,000,000,000,000

• 3.14

• 0.1

radius =______ of diameter

• 3/4

• 5

• 8

• 1/2

does the chord go through the center

• It must!

• It doesn't have to.

what circle is this

• a super circle

• big circle

• pi circle

• circle a

Determine the measure of ∠UVS

• 19.5°

• 39°

• 78°

• 102°

Find the measure of arc NL

• 21°

• 42°

• 45°

• 84°

If you are given a radius and asked to find the diameter what do you do?

• Divide the radius by 2

• Square the radius

• Multiply the radius by 2

• Take the square root of the radius

What part of the circle is present?

• Tangent

• Secant

• Chord

• Diameter