Question

Which of the following sets are empty sets? Justify your answer.
(6) A = {x:x2 = 4 and 3x = 9}.
The set of all triangles in a plane having the sum of their three angles less
than 180.​

Answer 1

Answer:

The set of all triangles in a plane having the sum of their three angles less

than 180. This is the empty set. In a triangle sun of three angles must be 180 degree

Step-by-step explanation:

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