Answer:
1. 10
2. 7.9
Step-by-step explanation:
Formula - a² + b² = c²
8² + 6² = c²
c² = 100
100 to the square root is 10
c = 10
a² + 9² = 12²
144 - 81 = 63
a² = 63
63 to the square root is 7.9
a = 7.9
Hope this helps dude
