Question

Find the measure of the interior angles.

Answer 1

x = 13°

We know that the sum of the angles of a triangle is 180°.
So x + 13 + 154 = 180
x + 167 = 180
x = 13

Answer 2

Interior angles of a triangle should always add up to 180.
180-154=26
26-13=13
X=13