Proving the parallelogram side theorem
given: abcd is a parallelogram,
prove: ab cd and bc da
angles
segments
triangles su
nes
zbac
2bca
dac
zdca
statements
reasons
assemble the proof by dragging tiles to
the statements and reasons colus.

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.