Which lengths do NOT represent a right triangle? Answer
A 8 cm, 15 cm, 17 cm
B
5 ft, 12 ft, 15 ft
С
6 mm, 17.5 mm, 18.5 mm
D 2 in, 1.5 in, 2.5 in

What are the options for plato

Xis equal to three

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.