Answer:
12 < x < 42 or x | ( 12,42 ) ft.
Step-by-step explanation:
15 + 27 = 42; 27 − 15 = 12 . Therefore the third side must be
less than 42 ft ant greater that 12 ft. Therefore possible length
of third side of size x is 12 < x < 42 or x | ( 12,42 ) ft [Ans]