A = √(15²-9²) = √(225-81) = √144 = 12
Answer:
Step-by-step explanation:
When A and B are brought together then they repel i.e. A and B have same charge, either negative or positive
When B and C are brought together then they also repel. This implies that nature of charge on B and C is same
Answer:
4.19
Step-by-step explanation:
just use the formula 2pir^2
Answer:
Acute Triangle
Step-by-step explanation:
All angles are less than 90 degrees.
