Answer:
I think it may be acute triangle
x= 3
AC = 22
hope it helps you...
120 x 10^3
7 x 10^5
9 x 10^4
Step-by-step explanation:
F -------> 1/d²
12 -------> 1/3²
12 ×(3/6)² ----->1/6²
3----->1/6²
Force = 3N if d=6