Mathematics: Help me with this plss

Help me with this plss - id14997355, jackyrodriguez92

vkrizh

09.12.2021

31-13=18

Step-by-step explanation:

so its 18 pls give brainliest

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KaylaMaria

28.05.2020

Step-by-step explanation:

So here we have a 45-45-90 triangle.

This a special right triangle were the sides across from the 45 degree angles can be considered x, while the hypotenuse is two square roots of x.

Here since we have the sides across from the 45 degree angle we can conclude that $x = 9\sqrt{2}$

So if we wanted the hypotenuse we would just plug in this value of x like so:

$hyp = x\sqrt{2} \\$

$hyp = (9\sqrt{2})(\sqrt{2})$

$hyp = 9(2)\\$

hyp = 18

Therefore the hypotenuse is 18.

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