Find the approximate value of the circumference of a circle with the given radius. Use pi = 3.14. Round your results to one more
2 answers:
Answer:
Option A is correct.
Circumference of a circle = 32.03 cm
Step-by-step explanation:
Circumference of a circle(C) is given by:
.....[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;
Simplify:
C = 32.028 cm
Therefore, the approximate value of the circumference of a circle is, 32.03 cm
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PLEASE SEE ATTACHED IMAGE.
For this case what you should do is find the area of the triangle which will be given by:
A = (1/2) * (b) * (h)
Where
b: base
h: height
Substituting the values we have:
A = (1/2) * (25 1/2) * (15)
A = 191.25 feet ^ 2
Answer:
she will need 191.25 feet ^ 2 to cover the back of the cabin