Answer:
Cant see it
Step-by-step explanation:
It is possible to have an isoceles triangle with on 80 degree angle because all sides to a triangle add to 180 degrees so if you minus 180-80=100. There is 3 sides to a triangle so half the 100 and you get 50 which means you get two of the same angles which are 50 degrees. That means that the question is possible and is isoceles.
120$
you set up a proportion, multiplying the $10.20 by 100 then divide by 8.5
Third one but not 100% surety and sub 1
The copy is the exact same as the original, so the scale factor would be 1.
The answer is the first choice