Transcript
Circles
Think-pair-share:
Circumference: distance around the circle
Area: the number of square units inside that circle
Diameter: distance across the circle through its center
Radius: distance from the center to an edge of the circle
Circumference Formulas Area Formula
C = 2 rA = r2 C = d
https://www.youtube.com/watch?v=YokKp3pwVFc
https://www.youtube.com/watch?v=hJJJmQojcLM
What is pi?
What is (pi)?
3.14159265358979323846...
the ratio of the circumference of a circle to the diameter. Or in other words, the circumference divided by the diameter.
cd =
Try these examples: 227
6283220000
355113
9024
C = 2 r A = r 2
Find the area and circumference of this clock.
C = 2 r A = r 2
Find the area and circumference of this eye ball.
C = 2 r A = r 2
Find the area and circumference of this
Hw: finish worksheet
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