Surface are of a rectangular prism = 2(l x w + l x h + w x h) = 2(10 x 3 + 10x + 3x) = 2(30 + 13x) = 60 + 26x
Volume of a rectangular prism = l x w x h = 10 * 3 * x = 30x
Since surface area = volume
60 + 26x = 30x
4x = 60
x = 15 in
Answer:
907.46
Step-by-step explanation:
We know the area of a circle is:

Answer:
B
Step-by-step explanation:
- 3/2 is - 1.5 , and B is - 1.5
Number of ribbons that can be cut = 6 ÷ 1/2
Number of ribbons that can be cut = 6 x 2/1
Number of ribbons that can be cut = 12
-----------------------------------------------------------------------------------------
Answer: 12 1/2 foot pieces can be cut from 6 feet ribbon
-----------------------------------------------------------------------------------------