Question

HELP ASAP PLEASE! THANKS!

Answer 1

m∠x = 70°

Explanation:

Since both 3.5 sides are congruent, then we have an isosceles triangle. That means the other unknown angle measure is also 55°. Since all angles of a triangle add up to 180°,

x + 55(2) = 180

x + 110 = 180

x = 70°