Question

value
of
a
in
the figure below
is​

Answer 1

Answer:

sum of interior opposite angle= exterior angle

x+60°=100°

x=100°-60°

x=40°

Answer 2

Answer:

as we know that the two sum of interior angle is equal to exterior angle of triangle.

x+60°=100°

x=100°-60°

x=40°