If

inch is equal to 3 feet, then 1 inch = 6 feet because

and 3 * 2 = 6.
Thus 1 x 7 = 7, and 6 x 7 = 42.
42 feet.
Answer:

Step-by-step explanation:
x = Length and width of base
y = Height of box
Volume of the box is 

Surface area is given by

Differentiating with respect to x we get

Equating with 0 we get


at 

So the function is minimum at x = 16

The material required is

The minimum amount of material required is
.
It is any fraction except 0 of 180°.
Answer:So they can form a angle
Step-by-step explanation:
That answer would be: %12.5