4) 121 degrees
because if x is 121 degrees then angle BCA will equal 59 degrees (the two angles must equal 180) so using the sum of a triangle's angles, then angle BAC will have to equal 59, making the triangle an isoceles, which will make AB to be congruent to BC.
I think it’s 32
Step-by-step explanation:
Answer: 140%
Step-by-step explanation:
½and⅓ the process is shown in the following picture