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Archy [21]
3 years ago
5

Plz help ASAP! I will mark brainliest if correct

Mathematics
2 answers:
MaRussiya [10]3 years ago
5 0
A = L^2
A = L^2 = 2^2 + 4^2 (Pythagorean’s theorem)
A = L^2 = 20
Therefore the area of the square is 20 units square.
Sergio [31]3 years ago
4 0

Answer:

The answer is 20

Step-by-step explanation:

To find the hypotenuse, you use the pythagorean theorem (A^{2}+ B^{2}= C^{2}).

We are given A and B so you insert.

2^{2}+ 4^{2} =C^{2}

4+16=C^{2}

C^{2}=20

Now you take the square root of C and since it is even, I will leave it in a square root sign.

C=\sqrt{20}

C is one side of a square and since all sides are the same, we don't have to find anymore. Now we insert C into the formula for finding the area of a square.

A=C^{2}

A=\sqrt{20} ^{2}

A=20

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