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lisabon 2012 [21]
3 years ago
8

What is the approximate area of the shaded region?

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

<span>7 x 7 = 49 area of square.</span>

<span /><span> The radius of the circle is half the diameter.   7 cm/2 = 3.5  </span>

<span>  A = 3.14 × 3.5 cm × 3.5 cm = 38.465</span>

Finale step.  Subtract the area of the circle from the area of the square.                     

49 cm^2 −38.465 cm^2 = 10.535 or round to 10.54 cm^2

D. 10.54


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vodomira [7]

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Step-by-step explanation: 50 x 2 = 100

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8 0
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Read 2 more answers
THANK YOU , PLEASE INCLUDE EXPLANATION
frosja888 [35]

Remark

This will be a little late, but I'll answer it anyway. The more you see of the sine law, the clearer it will be.


Step One

Set up the sine Law.

\dfrac{Sin(x)}{12}=\dfrac{sin(75)}{22}


Step Two

Substitute values

Sin(x) = ??

sin(75) = 0.9659


\dfrac{Sin(x)}{12}=\dfrac{0.9659}{22}


Step Three

Cross multiply and Solve

22* Sin(x) = 12 * 0.9659

22* Sin(x) = 11.591 divide by 22

sin(x) = 11.591 / 22

sin(x) = 0.5269


Step Four

You have to know how to use the inverse of an angle to get the answer. I do it as my calculator would do it. If it doesn't work with yours, let me know.


x = sin^-1(0.5269)

2nd F

Sin^-1

(

0.5269

)

=

You should get 31.79 degrees.

5 0
3 years ago
Please help me with this question
raketka [301]
A squared equals c.
7 0
2 years ago
The sum of two numbers is 32 One number is 8 more than the other. Identify the system of equations representing this problem
daser333 [38]

Answer:

x + y = 32

x = y + 8

Step-by-step explanation:

Sum of two numbers is 32:

x + y = 32

One number is 8 more than the other:

x = y + 8

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2 years ago
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