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defon
3 years ago
14

A rectangular sheet of paper is folded diagonally from A to C what is the length of side B

Mathematics
1 answer:
sveta [45]3 years ago
7 0

Answer:

AC = \sqrt{AB^2 + BC^2}

Step-by-step explanation:

Here we have to draw the figure.

When the rectangle is folded A to C. we get a right triangle.

Here we have to use the Pythagorean theorem to find the side lenght of B.

The sides length of B is AC.

By the Pythagorean theorem, the sum of the squares of the sides is equal to the square of the hypotenuse.

Therefore,

AC^2 = AB^2 + BC^2

Taking the square roots on both sides, we get

AC = \sqrt{AB^2 + BC^2}

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