**Answer:A rectangular storage container with an open top is to have a volume of 18 cubic meters. The length of it's base is twice the width.: let x = the width of the base then 2x = the length of the base and h = height of the box: 2x^2 = the area of the base 2(2xh) = 4xh = area of the two vertical sides 2xh = area of the two other vertical sides then**

**Step-by-step explanation:**

**Answer:**

3w2

**Step-by-step explanation:**

I think the question is incomplete else the angle must b there which have not mentioned

**Answer:**

h\

**Step-by-step explanation:**

**Answer:**

**Step-by-step explanation:**

[angle of sector]/360 x π x radius ² [formula to find area of a sector]

30/360 x π x 4²

Type into a calculator

4.18879