G.1
I can calculate and apply
circumference of circles
Circumference of Circles
Circumference: distance _________ a circle
How do you convert between
C = 2πr
radius and diameter?
Radius
D = 2r
Diameter
r = d/2
chord
Find the circumference of the circle.
How do you apply the
circumference formula?
4 in.
6.2 cm
7.5 mi
I can calculate and apply
circumference of circles
G.1
Circumference of Circles
Finding diameter or radius given circumference
How do you find diameter
and radius if you are given
1st: _____ what you know into c = 2πr
2nd: use _______ for pi and rewrite
the circumference?
3rd: _______
Find radius if the
circumference of the
circle is 15.7 cm.
If the circumference of
the circle is 56.5
inches, find the diameter