In parallelogram lmno, lm = 4.12, mn = 4, ln = 5, and om = 6.4. diagonals and intersect at point r. what is the length of ?

Cdoes not have two variables

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.

Dagriculture is the answer -explanation-