Answer: $180
4ft + 5ft + 4ft + 5ft = 18ft
18 x 10 = 180
Opposite sides of any rectangular face are parallel, because opposite sides of a rectangle are parallel.
Since HCDE is a rectangle, CD ║ HE.
Since ABCH is a rectangle, AB ║ HC.
Answer:
6.8
Step-by-step explanation: