put in front of her model of a library. How much plaster does she need? 3 cm 6 cm 6 cm 2 cm 4 cm 6 cm 9 cm [ ? ] cm³ Enter poration. All Rights Reserved.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Volume Calculation of a Composite Solid

A student is designing a rectangular solid to place in front of her model of a library. Here is the problem she is trying to solve:

#### Problem Statement:
Put in front of her model of a library. How much plaster does she need?

#### Diagram Explanation:

The shape provided is an L-shaped composite solid with the following dimensions:
- Left section: 
  - Height: 6 cm
  - Width: 4 cm
  - Depth (common for the entire figure): 6 cm

- Top-middle section:
  - Height: 3 cm
  - Width: 6 cm
  - Depth (same common depth): 6 cm

- Bottom-right section:
  - Height: 2 cm
  - Width: 6 cm
  - Depth (same common depth): 6 cm

Overall length of the combined shape: 9 cm

#### Key Measurements:
The L-shaped solid is made up of three rectangular sections:
1. Left section: 4 cm x 6 cm x 6 cm
2. Top-middle section: 6 cm x 3 cm x 6 cm
3. Bottom-right section: 2 cm x 6 cm x 6 cm

The labeled measurements indicate the following:
- Height of each section in cm: 6 cm, 3 cm, 4 cm, and 2 cm.
- Combined length of sections: 9 cm.
- Common depth for each section: 6 cm.

**Goal:**
Calculate the volume of plaster needed in cubic centimeters.

#### Formula:
To find how much plaster the student needs, we'll calculate the volume of each section and sum them all up.

\[ \text{Volume (V)} = \text{Length (L)} \times \text{Width (W)} \times \text{Height (H)} \]

Let's break down the calculations:
1. Volume of the left section:
   \[V_1 = 4\, \text{cm} \times 6\, \text{cm} \times 6\, \text{cm} = 144\, \text{cm}^3\]

2. Volume of the top-middle section:
   \[V_2 = 6\, \text{cm} \times 3\, \text{cm} \times 6\, \text{cm} = 108\, \text{cm}^
Transcribed Image Text:### Volume Calculation of a Composite Solid A student is designing a rectangular solid to place in front of her model of a library. Here is the problem she is trying to solve: #### Problem Statement: Put in front of her model of a library. How much plaster does she need? #### Diagram Explanation: The shape provided is an L-shaped composite solid with the following dimensions: - Left section: - Height: 6 cm - Width: 4 cm - Depth (common for the entire figure): 6 cm - Top-middle section: - Height: 3 cm - Width: 6 cm - Depth (same common depth): 6 cm - Bottom-right section: - Height: 2 cm - Width: 6 cm - Depth (same common depth): 6 cm Overall length of the combined shape: 9 cm #### Key Measurements: The L-shaped solid is made up of three rectangular sections: 1. Left section: 4 cm x 6 cm x 6 cm 2. Top-middle section: 6 cm x 3 cm x 6 cm 3. Bottom-right section: 2 cm x 6 cm x 6 cm The labeled measurements indicate the following: - Height of each section in cm: 6 cm, 3 cm, 4 cm, and 2 cm. - Combined length of sections: 9 cm. - Common depth for each section: 6 cm. **Goal:** Calculate the volume of plaster needed in cubic centimeters. #### Formula: To find how much plaster the student needs, we'll calculate the volume of each section and sum them all up. \[ \text{Volume (V)} = \text{Length (L)} \times \text{Width (W)} \times \text{Height (H)} \] Let's break down the calculations: 1. Volume of the left section: \[V_1 = 4\, \text{cm} \times 6\, \text{cm} \times 6\, \text{cm} = 144\, \text{cm}^3\] 2. Volume of the top-middle section: \[V_2 = 6\, \text{cm} \times 3\, \text{cm} \times 6\, \text{cm} = 108\, \text{cm}^
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