**Answer:**

**Step-by-step explanation:**

**Answer: width:60.2 cm**

**Length: 64.2 cm**

**Step-by-step explanation:**

Given

The area of the rectangle is

Width of the rectangle is

Length of the rectangle is

Area of the rectangle is the product of length and width

Width of the rectangle is

Length of the rectangle is

Answer:b=-20

Step-by-step explanation:

You start by subtracting 6 on both sides to get b/5=-4. To get b alone, you multiply by 5 on both sides and get the answer of b=-20

**Answer:**

1. Lateral: 72 SA: 142

2. SA: 36 Lateral: 24

**Step-by-step explanation:**

1. perimeter of base times the height

2l+2w x h

2(5) + 2(7) x 7

24 x 3 = 72

Surface area: A=2(wl+hl+hw)=2·(7·5+3·5+3·7)=142

2. Surface Area

Using the formulas

A=2AB+(a+b+c)h

AB=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving forA

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=5·2+4·2+3·2+1

2·﹣54+2·(5·4)2+2·(5·3)2﹣44+2·(4·3)2﹣34

=36

Lateral: A=(a+b+c)h=(5+4+3)·2=24

Correct Answer is

**Rectangle.**

An isosceles triangle can be obtained from cross section of a cone.

Since the height of the cylinder is much larger than the diameter, the resulting cross sectional area would be a rectangle.

For a square, all four sides must be equal. So a cylinder with equal diameter and height will result in a square.