Answer:
the answer is 2×2×3 I think
a² + b² = c²
9² + 12² = c²
81 + 144 = c²
225 = c²
15² = c²
15 = c
hope it will help you..........
awnser: 42
step by step:
1. find the racio of both
2.multiply the awnsers by 7
3.finally subtract
