Answer:
B.0
Step-by-step explanation:
4-2x2+2/2-1
4-4+1-1
0+0
0
The volume is around 50.27
the surface area is: 75.4
the perimeter 25.13
I think that is right I look it up and god bless have a great day
Answer: d. 50
Steps:
1. Find value of x.
5x + 4x = 90
9x = 90
x = 10
2. Use x value to find ∠EDH.
∠EDH = 5x
∠EDH = 5(10)
∠EDH = 50°