Question

Which expression gives the length of pq in the triangle shown below?

http://prntscr.com/3u8i5l

Answer 1

pythagorean theorem
a^2 + b^2 = c^2
where a and b are the legs and c is the hypotenuse
in this case c = PQ
if you square root both sides
c = √(a² + b²)

Answer 2

D?

Answer 3

correct :)