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3 years ago

Anyone know how to do this? if so please help. I need the work to be shown

Mathematics

2 answers:

Andru [333]3 years ago

7 0

Mixed number is just saying 3(denominator) times 1 (whole #) plus 2(numerator) which would equal 5 its like a cartwheel :)

dybincka [34]3 years ago

5 0

Answer:

The perimeter is 6 2/3 feet, and the area is 2 7/9 feet.

Step-by-step explanation:

Since it is a square, the perimeter would by four times the length, 1 2/3 feet.

1 2/3 = 5/3

5/3 * 4 = 5/3 * 4/1

5/3 * 4/1 = 20/3

The perimeter of the garden is 20/3 or 6 2/3 feet.

To find the area, multiple the length by itself.

5/3 * 5/3 = (5 * 5)/(3 * 3)

(5 * 5)/(3 * 3) = 25/9

The area of the garden is 25/9 or 2 7/9 feet.

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Please help! :)

Volgvan

Answer:

So the correct option is First one

i.e $\dfrac{9\pi}{A}=\dfrac{90}{360}$

Step-by-step explanation:

Given:

Area of Shaded part = 9 π square feet

To Find :

Area of Circle = ?

Solution:

90 degree center angle is equivalent to an area of 9 Π square feet

So, 360 degree center is equivalent to area A which is the area of the complete circle.

So the Ratio will be

$\dfrac{90}{9\pi} =\dfrac{360}{A}$

Setting the given statements in proportion:

$\dfrac{90}{9\pi} =\dfrac{360}{A}$

On solving we get the required

$\dfrac{9\pi}{A} =\dfrac{90}{360}$

So the correct option is First one

i.e $\dfrac{9\pi}{A}=\dfrac{90}{360}$

Alternate Method:

Shaded part is of 90°

Area of Shaded part = 9 π square feet

And Full Circle is of 360° that is 4 sector of 90°

$\textrm{Area of Circle}=4\times (Shaded\ part)$

$\textrm{Area of Circle}=4\times 9\pi$

$\textrm{Area of Circle}=36\pi$

So the correct option is First one

i.e $\dfrac{9\pi}{A}=\dfrac{90}{360}$

On solving this we get

$A=36\pi\ feet^{2}$

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