Answer:
square root of 15= 225+ Square root of 9+ 81
225+81=17.49
Step-by-step explanation:
Answer: b = 12
Step-by-step explanation: a² +b² = c²
a² + 9² = 15²
a² + 81 = 225
a² = 225 - 81
a² = 144
√a² = √144
a = 12
I hope this helps you understand the process.
