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zheka24 [161]
3 years ago
9

Find the area of the trapezoid

Mathematics
1 answer:
Shalnov [3]3 years ago
7 0

Answer: 8

Step-by-step explanation: so we can count the middle four, then the sides are basically two triangles that are the same, so we put them together and you get 4 more, so 4 plus 4 is 8

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3 years ago
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Solutions 

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Sliva [168]
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2 years ago
ATTENTION
finlep [7]

Here!

<h2>The answer is Option A!</h2>

(x + 2 \sqrt{3} i)(x - 2 \sqrt{3}i )

<h3>Why so??</h3>

Let's see what complex numbers are!

(x + 2  \sqrt{3 }i  )(x - 2 \sqrt{3}i ) \\  =  {x}^{2}  - 2 \sqrt{3} x + 2 \sqrt{3} x -  {(2 \sqrt{3} i)}^{2}  \\  =  {x}^{2}  -  {(2 \sqrt{3}i) }^{2}

Now we know,

{i}^{2}  =  - 1

So!

=  {x}^{2}  - 12 \times(  - 1)

=  {x}^{2}  + 12

And thus we get the answer!

3 0
3 years ago
PLEASE HELP!!!!!!<br> WILL MARK BRAINLIEST!!!!
JulijaS [17]

Answer:

23

Step-by-step explanation:

4 0
3 years ago
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