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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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olga_2 [115]

Answer:

see explanation

Step-by-step explanation:

sum the parts of the ratio, 2 + 1 = 3 parts , thus

81 cm² ÷ 3 = 27 cm² ← value of 1 part of the ratio

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Area of A = 54 cm² and area of B = 27 cm²

The side of the original square = \sqrt{81} = 9 cm

The width of both rectangles is 9 cm ( width remains unchanged after cut )

Thus

Rectangle A

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length = 6 cm

Rectangle B

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length = 3 cm

Rectangle A → length = 6 cm, width = 9 cm

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Please help. I've been trying to figure this out for an hour and I still don't understand how it's 72. I feel really stupid beca
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The top of a rectangular table has an area of 100 square feet and width of 5 feet. What is the length in feet of the surface
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