Question

BRAINLY QUESTION ON PIC THX

Answer 1

Answer:

x=84

Step-by-step explanation:

We know that the angles in a triangle are equal to 180.

39+57+x=180

96+x=180

x=84

Answer 2

Sum of the Interior angles of a triangle is equal to 180 degrees - x+57+39=180

Therefore, x=180-39-57

Hence, x=87 degrees