20 points

segment ef is the midsegment of trapezoid abcd. find the length of segment ef if segment ab is 20 and segment cd is 12.

11

step-by-step explanation:

32.50-7.50=25

225/25=11

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.