Write 30 : 84 as a ratio in simplest form

a

step-by-step explanation:

rurbrbrjrnrbjr

im guessing (23,14). hope this : )

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)