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STatiana [176]
3 years ago
5

The area of a circle is 55.44 cm2. Find its circumference.

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:

Circle

Solve for circumference

C≈26.39cm

A Area

55.44

cm²

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A dog trainer has 96 ft of fencing that will be used to create a rectangular work area. Encloses area of 320 ft^2. What will be
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Answer:

<em>The dimensions of the area will be 8 ft x 40 ft</em>

Step-by-step explanation:

<u>Area and Perimeter</u>

The perimeter can be understood as the distance measured around a shape. The area gives us the idea of the space occupied by the shape. Being w and l the width and length of a rectangle, the perimeter and areas can be computed as follows

A=wl

P=2w+2l

The dog trainer has 96 ft of fencing to cover a 320 ft^2 rectangular area. This means that

wl=320

2w+2l=96

A system of equations is formed

\left\{\begin{matrix}wl=320\\ 2w+2l=96\end{matrix}\right

We divide the last equation by 2

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solve for w

w=48-l

Replacing in the first equation

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Operating and arranging

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