Which equation should be used to solve for x? Solve for x.

Question options:

x+52+51+84= 180; x=7


180-51-84+52=x; x=97


x+52+84+51= 90; x=-97


x+52+51+84= 180; x=-7

help

Which equation should be used to solve for x Solve for x Question options x525184 180 x7 180518452x x97 x528451 90 x97 x525184 180 x7 help class=

Respuesta :

Answer:

x+52+51+84=180; x=-7

Step-by-step explanation:

-7+52 degrees = 45

51 degrees =       51

84 degrees=       84

                       + -------

                           180    degrees

all angles in a triangle should add up to 180 degrees.