Question

An exterior angle of a triangle is of measure 80 and one of its interior opposite angle is 25 find the measure of the other interior opposite angle

Answer 1

Answer:

55°

Step-by-step explanation:

Exterior angle is the sum of interior opposite angles.

80° = 25° + x

x = 80° - 25°

=55°

Answer 2

Step-by-step explanation:

let one of the interior opposite angle is x

then 80=25 +x (exterior angle property)

80-25=x

x= 55 ans