Reflect shape A in the line y = x. у
51
4
3
2
1
1
X
4
-5 -4 -3 -2 -1 0 1 2
2 3
-1
-2
A
-3
-4
-5​

answer: i think it's a

step-by-step explanation:

faster, im not sure why but i know it is faster

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.

just go here

its what i use

step-by-step explanation: