Answer:
-1.5/2
Step-by-step explanation:
This is only my opinion. I could be wrong.
My guess is:
Somebody else used that book before you, maybe last year or
the year before, and it was somebody who didn't mind writing
in his book.
One day he didn't have time to write down the homework in his
assignment notebook, so he just circled the homework problems
in his textbook.
I believe the lateral surface area is 87.96.
Exterior angles are found along the outside of the figure if you extend the figure's side lengths.
The exterior angles in the image would be 4 and 5.
6 isn't an angle, and all of the other options are found on the inside of the triangle (1,2 and 3).
It could be 2.5+2.5=5 and then add that to 4 and that equals 9
