Find the circumference of each circle,Use π = 3.14. (Note: Circles are not drawn to scale) 1.5 cm A=________ 2.14 mm A=________ 3.17 cm A=________ 4.20 m A=________ 5.2.8 cm A=________
DYK? The circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment.
how to solve circumference?
Multiply the radius by 2 to get the diameter.
Multiply the result by π, or 3.14 for an estimation.
That's it you found the circumference of the circle.
Answers & Comments
1.5 cm
A=____31.4___
2.14 mm
A=____87.92____
3.17 cm
A=___106.76____
4.20 m
A=___125.6_____
5.2.8 cm
A=___17.584___
DYK? The circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment.
how to solve circumference?
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