Which of these triangles appears not to be congruent to any others shown here? Check all that apply.
A
B
с
D
E
I A. Triangle A
B. Triangle B
O C. Triangle C
D. Triangle D

Here are the answers to the ones that i could see.

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.