Question

How do I find the value in x shown in the picture?

Answer 1

Answer:

80°

Step-by-step explanation:

x = (180° - 2x50°) = 180° - 100° = 80°

Answer 2

Answer:

The missing angle is $80$ degrees.

Step-by-step explanation:

If this is an isoceles triangle, it means that the two angle on the bottom left and right are the same. Since a triangle's angles add up to 180 degrees, we can create an equation :

$50+50+x=180$

$100+x=180$

$x=80$