How to solve for z

Question

In s triangle that is in th problem the top corner is labled (145-z degrees) left inside corner is labled 40. The right inside corner is labled z degrees. Please help me solve for z

Answer 1

Is the triangle isosceles? Do you see tick marks on congruent sides? Then it would make sense.

 

Ms. B

Answer 2

A = (145 - z)°

B = 40°

C = z°

 

A + B + C = 180°

 

145 - z + 40 + z = 180

 

185 ≠ 180

 

So can you describe the problem better?