Question

Please help. It’s my last one (:

Answer 1

The triangle is isosceles as two of its sides are equal
⇒ Angles opposite equal sides are equal
⇒ 55°=55°
Now with the help of the Angle-Sum-Property of a Triangle,
⇒ 55°+ 55°+ x= 180°
= x= 180°- 110°
= x= 70°