If possible, prove triangle ACR is congruent to triangle DRC and select the correct rule. a) ASA
b) not congruent
c) SSS

answer: what do you mean

12

step-by-step explanation:

answer is c

step-by-step explanation:

81/12=324/x

x=48

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)