Question

what is the diagonal of a 30 meters square?

Answer 1

Same method
Use pythagoras theorem

Answer 2

In this case use p=b as all sides of a square are equal.

Answer 3

p=b=30meters and find h, which is the diagonal.

Answer 4

d^2 = 30^2 + 30^2 = 1800
d = sqrt 1800 = 42.43 m