Which relationship is always true for the angles x, y, and z of triangle ABC? (4 points) А
х
B
С
a
x + 2y
b
y + 2x
Od
x + y + z = 180 degrees
Od
x+y + z = 90 degrees

answer: the answer is 23

step-by-step explanation:

answer: are you

step-by-step explanation:

the first one

step-by-step explanation:

just id the test.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.