HK consists of two part, HJ and JK
HK = HJ + JK
We know that:
HK = 12.2ft
JK = 3.1ft
HJ = ?
Let's plug our values into the equation above.
12.2ft = HJ + 3.1ft
Subtract 3.1ft from both sides.
9.1ft = HJ
Answer:
I would say so
Step-by-step explanation:
If you are speeding down a hill that could be dangerous for the car and other people around
Answer:

Step-by-step explanation:

Answer:
No, all angles in any triangle must add up to 180.