Please help. It’s my last one (:

Mathematics

1 answer:

Umnica [9.8K]3 years ago

3 0

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°

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