Question

Oneofthebaseanglesofanisoscelestriangleis70°.FindtheVertical

angle.​

Answer 1

Answer:

40°

Step-by-step explanation:

In isosceles triangle base angles are equal

Let the vertical angle be x

Therefore,

70°+70°+x=180°

140°+x=180°

x=180°-140°

x=40°