Answer:
k = 5
Step-by-step explanation:

Now comparing left hand side & right hand side ,

Cancelling x^2 & 6 from both left hand side & right hand side ,
kx = 5x
=> k = 5
Answer:
60
Step-by-step explanation:
On where did you post it ?
Answer:
It should be hexagon. Sorry if it is wrong....
A= 1/2(7 + 11)(5)
A = 1/2(18)(5)
A = 45 square units