Answer:
Yes.
Step-by-step explanation:
Side b = 10.2 m (1 d.p.)
11² = 121
15² = 225
225 - 121 = 104
√104 = 10.2 (1 d.p.)
Side b = 10.2m
(Full answer = 10.198039)
11² + 10.2² = 15²