3 years ago

A circle with radius of 5 sits inside a 11×11 rectangle. What is the area of the shaded region?

1 answer:

6 0

If the shaded region is the area inside the rectangle but outside the square, then the area is 121-25pi or 42.4602

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Mila [183]

Answer: Option B

B. $\frac{9}{26}$

Step-by-step explanation:

We have the following equations:

$2x + \frac{4}{3}y = 1$ (1)

$y -\frac{9}{13}x=9$ (2)

Let us call "a" the coefficient of the variable x in the first equation and call "b" the coefficient of the variable x in the second equation.

Then we must multiply the number "a" by a value z such that when adding $az + b$ the result is zero. $a = 2$

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The first equation must be multiplied by a value of $\frac{9}{26}$

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