Step-by-step explanation:
First of all we need to know the formula for the circumference which is:
We don't have the radius. What we only have is the area; therefore, we must use the area formula and extract the radius from it.
The formula for the area is: Solve for r;
Now that we've found the radius, we simply plug it into the circumference formula.
Answer:4
Step-by-step explanation:
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Answer:
x=19.5cm
Step-by-step explanation:
15÷10= 1.5
13x1.5
=19.5cm
6/12 or 1/2 I hope this was the right answer and helped you