Which of the following statements about race is false?
a.
race is based on physical characteristics.
b.
race is socially constructed.
c.
race has a biological basis.
d.
race is often used to compare people.

A.  Race is based on physical characteristics.

Explanation:

the answer would be the third option, "no, ariel should have added 9^2 and 12^2 and compared that to 15^2."

this is found through the pythagorean theorem, which is a^2 + b^2 = c^2.

this is the correct way of solving the problem:

9^2 + 12^2 = 15^2

81 + 144 = 225

225 = 225