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natka813 [3]
3 years ago
7

Find the area of quadrilateral ABCD in each case. HElp PLEase ASAP

Mathematics
2 answers:
ahrayia [7]3 years ago
4 0

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

Let's see...

Step-by-step explanation:

*Note: we can't find the exact area of the shaded figure right off the bat, we have to find the area of a bigger figure and divide it by 2.

<h3>The coordinates of the bigger figure:</h3>

A = (0,0)

B' = (0,4)

C = (5,4)

D' = (5,0)

Note: the little [ ' ] next to the B and D indicate that it is not the same coordinate as B and D, just that those points would be the same as point B and D.

<h3>That being said, what is the area of the bigger figure?</h3>

A =  l * w

A = 4 * 5

A = 20 units²

<h3>Now, divide the Area by 2:</h3>

A = 20 ÷ 2

<em>A = 10 units²</em>

I hope this helps!

- sincerelynini

Slav-nsk [51]3 years ago
4 0

Answer:

Please crown brainliest :) ^-^

12

Step-by-step explanation:

You would get 12 if you multiply the base- 3

And the height- 4

and then you get 12...The other answer is incorrect because you do not need to divide by 2.

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                     Reflected about y-axis                     Rotation of 180°

A= (-4,2)                     (4,2)                                              A'= (-4,-2)

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D= (-1,2)                      (1,2)                                                 D'= (-1,-2)

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