Suppose the radius of a circle is 1. What is its circumference?

2 answers:

8 0

The radius x2 is the diameter. The Diameter x $\pi$ is the Circumference.
So Lets work it out.
the Radius is 1.
1x2=2 right?
So 2xpi
Use pi as 3.14
3.14x2
3.14x2=6.28.
So the Circumference is 6.28.
ANS:6.28

Rus_ich [418]2 years ago

6 0

C = 2 x 3.14 x 1 (use pi as 3.14)
C = 6.28

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The apothem of a regular polygon is a line segment from the center to the midpoint of one of its sides.

Let a represent the length of the apothem. Hence half of the side = 18/2 = 9 cm.

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