Question

Does anyone know the answer or how you're supposed to answer this?

Answer 1

Explanation:

(a) Triangle possible because 5 + 12 > 13.

(b) Triangle possible because the 3 angles add up to 180 degrees.

(c) No Triangle possible because 5 + 2 < 8.

(d) Triangle possible because the 3 angles add up to 180 degrees.