Answer:
86
Step-by-step explanation:
82+90=172
172/2 (divided by two because thats how many numbers we added up to get 172)
172/2=86
86 is your answer
44°
The sum of the angles in a triangle = 180°
In an isosceles triangle the base angles are equal, thus
base angle = = = 44°
Idk
7477rurjerjrjjrjdjfid