Chapter 1: Q6. (page 32)

Find the surface area of each rectangular prism given the measurements below.
$l = 7.8 m, w = 3.4 m, h = 9 m$

Short Answer

Expert verified

The surface area of the rectangular prism is 127.32 square meters.

Step by step solution

Step 1. State the formula.

The formula for surface area of a rectangular prism is $S = l w + w h + h l$ , where S is the surface area, I is the length, w is the width and h is the height of the rectangular prism.

Step 2. List the given data.

$l = 7.8 m$ , $w = 3.4 m$ and $h = 9 m$

Step 3. Calculate the surface area.

Put $l = 7.8$ , $w = 3.4$ and $h = 9$ in $S = l w + w h + h l$ to get,

$S = (7.8) (3.4) + (3.4) (9) + (9) (7.8) = 26.52 + 30.6 + 70.2 = 127.32$

So, $S = 127.32$ .

Step 4. Determine the unit.

Since the unit of length, width and height are all given as meters, the unit of the surface area must be square meters.

So, the surface area of the rectangular prism is 127.32 square meters.

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Find the surface area of each rectangular prism given the measurements below.
$l = 7.8 m, w = 3.4 m, h = 9 m$

Short Answer

Step by step solution

Step 1. State the formula.

Step 2. List the given data.

Step 3. Calculate the surface area.

Step 4. Determine the unit.

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Find the surface area of each rectangular prism given the measurements below.l=7.8m,w=3.4m,h=9m

Short Answer

Step by step solution

Step 1. State the formula.

Step 2. List the given data.

Step 3. Calculate the surface area.

Step 4. Determine the unit.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Geometry

Probability and Statistics

Pure Maths

Logic and Functions

Mechanics Maths

Calculus

Study anywhere. Anytime. Across all devices.

Find the surface area of each rectangular prism given the measurements below.
$l = 7.8 m, w = 3.4 m, h = 9 m$