Question

find the value of x in the given figure​

Answer 1

66°+34°+x=180°

100°+x=180°

x=180°-100°

x=80°

Answer 2

Answer:

according to Angle sum property of ∆

angle A+ angle B + angle C= 180

$66 + 34 + x = 180 \\ 100 + x = 180 \\ x = 180 - 100 \\ x = 80$

hope it will help you