Please help me and show ur work (multiple choice)m

A

Step-by-step explanation:

This is a 45 45 90 triangle since it has 45 and a 90 degree angle so using triangle interior theorem, the third angle is 45.

The legs of a 45 45 90 triangle are congruent so only A is right.

But since you want the work

The length of the hypotenuse in 45 45 90 triangle is sqr root of 2 times more than both of the legs so

let divide sqr root of 2 by the hypotenuse to find the legs.

To check our work let use the pythagorean theorem, since it a right angle

so it is correct.

nope.   happens to me as well.

-aparri

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step-by-step explanation: