draw a line AB, take a point C outside it through C, draw a line parallel to AB using ruler and compass only​

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

the answer will be the last one

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)