Question

n a 45°- 45°- 90° right triangle, the hypotenuse is 5 cm. How long are the legs?

Answer 1

Let x = length of each leg (they're both equal to each other)

So

a^2 + b^2 = c^2

x^2 + x^2 = 5^2

2x^2 = 25

I'll let you finish

Answer 2

I'm using the pythagorean theorem in my first step if you're curious

Answer 3

So ill juss divide each side by 4 because you times 2 times itsself ?

Answer 4

no you divide each side by 2

Answer 5

the squared only applies to the x

Answer 6

ohh ok..

Answer 7

Each leg is the same length,\[5 \text{ Sin}[45{}^{\circ}]=\frac{5}{\sqrt{2}}=3.53553 \]

Answer 8

Yeah , thats what i got ,, thank you .

Answer 9

You're welcome.

Answer 10

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