I have now idea do you know what the answer is yea I do it is C
The student should compute 6*180 = 1080 because of the formula
S = 180(n-2)
We have n = 8 sides which leads the n-2 part to become n-2 = 8-2 = 6
4 Angel fish ,4 Mollie fish and 2 tera fish
The equation of a cricle passing through (h,h) and with radius r is

so
cente ris (-6,7) and passing through (4,-2)


subsitute (4,-2) to find r^2




so it is

A is the answer