Three angles of the triangle:
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3x + 5x + x = 180
9x = 180
x = 180/9
x = 20
Answer: i think it’s C
Step-by-step explanation:
Answer:
{5,7,8}
A-B = {2,4,6} => A={2,4,6}
B - A = {0,1,3} => B= {0,1,3}
A∪B = {0,1,2,3,4,5,6,7,8}
=> A = {2,4,5,6,7,8}
B= {0,1,3,5,7,8}
=> A∩B = {5,7,8}
-20
