Question

d) 72º and 18°
equal .Each of these equal angles is
An exterior angle of a triangle is 110°and its two interior opposite angles are
a) 55°
b) 70°
c) 35°
d) 17.5
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Answer 1

Answer :-

Correction :

An exterior angle is of 110° and it's opposite interior angles are equal.

Let, the the opposite interior angle be x

According to question :-

x + x = 110°

→ 2x = 110°

→ x = 110°/2

→ x = 55°

Hence, the equal interior angles are 55°.