-1 is your answer.........
Answer:
The value of a is 50°.
Step-by-step explanation:
In an isosceles triangle, 2 sides have the same lengths and same angles so we can assume that the other side of the triangle is 65°.
Given that the total angle of a triangle is 180°, so have to subtract it :



Answer:
=7x
Step-by-step explanation:
A obtuse isosceles b obtuse scalene c acute isosceles