Answer:
∠A= 60°
Step-by-step explanation:
Answer:
Step-by-step explanation:
2(80*3)+2(3*200)+2(80*200)=33680cm
Answer:

Step-by-step explanation:
Let
be the point.
Any point on y-axis is (0, y, 0)
So, distance is
= 
=
......(1)
Now any point on x-z plane is 
Distance from p to this point is
= 
=
.........(2)
Equating (1) and (2), we get


This is the required equation.