Answer:
B
Step-by-step explanation:
Equilateral because the sides are equal
108 is the answer because a triangle has a total of 180 degrees and you only have 72 so far basically add 36+36 or 36*2 then since you have 72 subtract it from 180 and thats your answer
Answer:
About 50, 50
Step-by-step explanation:
is there a picture or something there isnt much context
it's really just your own opinion of which is difficult or easier but in my opinion Substitution is more difficult because you have to substitute in the different equations, and it can take more time. I personally like Elimination best because it cancels out variables and can be quicker to use. hope this helps:)