Question

PLEASE HELP ME WITH THIS

Answer 1

Pythagorean Theorem:

states a^2 + b^2 = c^2

given triangle:
5^2  + 13^2 = 14^2

25 + 169 = 196

194 = 196 False so it isn't a right triangle
 since C^2 (196) is greater than a^2 +b^2 (194)
 the triangle would be Obtuse