Answer:
48°
Step-by-step explanation:
The two marked lines show that this is an isosceles triangle, with two equal sides and two equal angles. So x equals 48°. Or....
A triangles angles add up to 180°, so add those two and subtract from 180°
[tex]48+84=132\\180-132=48[/tex]
[tex]x=48[/tex]°
