What is the value of x?
O 40
O 70
O 140
O 160

70

Step-by-step explanation:

Because we know that a triangle always adds up to 180°, and this triangle has 2 congruent sides, it means that the angle of x must be itself multiplied by 2 from the remaining degrees needed to make 180°.

In this case: 2x° + 40° = 180°

x = 70°

36 is the final answer! : )

answer: its the third option.

step-by-step explanation:

i just took the test.