The correct answer would be c. hope this helps
(10,5) would make the equation correct
$ 110 he had 185 in his account then he needs to take away 75 from his account
Using the Pythagoras theorem
8^2 = 5^2 + x^2 where x = 1/2 length of the base
x^2 = 64-25 = 39
x = = sqrt39 = 6.24
so base length = 2*6.24 = 12.5 cm to nearest tenth
