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:
The first picture
Step-by-step explanation:
Its the only one that has the line x=1
Answer:
Of course they were incorrect
Step-by-step explanation:
Anything to the power of 0 will always be 1, no matter what the number is.
Answer:
d
Step-by-step explanation: