The answer would be 20.
How?
7 + 9 = 16
16 + 4 = 20
You should definitely give one to the disabled person and 4 to the other people
You can square the whole problem to cancel out the square root. Might make things easier.
What would you like help with?
since this a 45 45 90 right triangle to get the side lengths you divide 2 times the square root of 2 and you get 2, since this has two congruent angles which makes it an Isosceles triangle. your a and b value are 2.