As seen in the diagram below, Shandra is building a walkway with a width of feet

Mathematics

1 answer:

garri49 [273]2 years ago

6 0

The walkway should be about 2.57feet.

What is the total surface area?

The total surface area of the building is the sum of the total faces of an object contains.

The formula is expressed as:

TSA = 2(lw + wh + lh)

where,

l is the length ,w is the width , h is the height

Calculation

Given the following parameters

TSA = 168 square feet

length = 8 feet and Height = 6 feet

Required

Width of the walkway, Substitute the given values in the formula

168 = 2(lw + wh + lh)

84 = (8(6) + 6w + 8w)

84 = 48 + 14w

4w = 84 - 48

14w = 36

w = 2.57feet

The walkway should be about 2.57feet.

Learn more about total surface area here:

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