Find the circumference of a circle whose radius is 7 in.
2 answers:
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Answer:
About 4.2 ft
Explanation:
The area of the traingle can be calculated in two ways.
where width = 4.4 ft and length = 13.6 ft.
Putting in the values for width and length gives
The other way that the area can be calculated is
where height = vertical length and base = 14.3 ft; therefore.
This must equal the area of the triangle we found above; therefore,
dividing both sides by 7.15 gives
which is our answer!