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d1i1m1o1n [39]
3 years ago
8

Find the approximate value of the circumference of a circle with the given radius. Use pi = 3.14. Round your results to one more

decimal than in the given radius.
5.1 cm

C =

A. 32.03 cm
B. 32.02 cm
C. 16.02 cm
D. 16.01 cm
Mathematics
2 answers:
bazaltina [42]3 years ago
5 0

Answer:

Option A is correct.

Circumference  of a circle = 32.03 cm

Step-by-step explanation:

Circumference of a circle(C) is given by:

C = 2 \pi r            .....[1]

where,

r is the radius of the circle.

As per the statement:

Use pi = 3.14.

Radius of the circle(r) = 5.1 cm

Substitute these given values in [1] to find C;

C = 2 \cdot 3.14 \cdot 5.1

Simplify:

C = 32.028 cm

Therefore, the approximate value of the circumference of a circle is, 32.03 cm

svetlana [45]3 years ago
4 0
C = 2<span>πr
C = 2 * 3.14 * 5.1
C = 32.028

You can round that to A. 32.03, because if the decimal after 2 is greater than it, then you round it to the number which is higher than it, which is 3. </span>
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