Question

if the radius is 168.4689cm find the circle's circumference.​

Answer 1

Answer:

1058.9473

Circumference = 2πr

so, 2×(22/7) ×168.4689cm

hence, circumference are 7412.6316 / 7

=. 1058.9473

Answer 2

Answer:

1058.521

Step-by-step explanation:

Radius

168.4689

Diameter

336.9378

Circumference

1058.521

Area

89163.96

How can you calculate the circumference of a circle?

If you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π.  π is roughly equal to 3.14.

The formula for working out the circumference of a circle is:

Circumference of circle = π x Diameter of circle

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