Question

state in which of the cases the angles can be possibly be those of a triangle. ​

Answer 1

Answer:

according to the angle sum property of a triangle sum of all the angles should be equal to 180 degree

=>

$case \: 1 \\ 68 + 48 + 64 = 180 \: degree \: \\ \\ case \: 2 \\ 47 + 75 + 61 = 183 \: degree \: which \: is \: not \: equal \: to \: 180 \:$