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nydimaria [60]
3 years ago
8

______________help pls

Mathematics
1 answer:
zvonat [6]3 years ago
4 0

You must use Pythagorean theorem, which is a^{2} +b^{2} =c^{2}

a and b are both legs (the two legs are the sides that form a perpendicular right angle) while c is the hypotenuse (side opposite the right angle)

In this case...

a = y

b = 8

c = 12

^^^Plug these numbers into Pythagorean theorem

y^{2} +8^{2} =12^{2}

Simplify as much as possible

y^{2} + 64 = 144

Isolate y by subtracting 64 to both sides

y^{2} + (64 - 64) = 144 - 64

y^{2} = 80

Further isolate y by taking the square root of both sides. This will take away the square from the left side

y = \sqrt{80}

\sqrt{80} <<< Can be further simplified

4√5 = y

Hope this helped!

~Just a girl in love with Shawn Mendes

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