Question

The vertical angle of an isosceles triangle is 110

. What must be the size of each of its

base angles?​

Answer 1

Answer:

base triangle is 140°

hope it is helpful

Answer 2

Answer:

110=vertical angle

$110 + x + x = 180 \\ 110 + 2x = 180 \\ 2x = 180 - 110 \\ 2x = 70 \\ x = 70 \div 2 = 35$