What is the value of the 5 in 56? ?

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

What is another way to express 36 +32

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me