Lesson Topics Discussion Quiz: Class Homework |
Steps-2 |
Title: Area of 3D shapes |
Grade Lesson s4-l6 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Quiz: Discussion Step
Id | Type | Name | Note |
---|---|---|---|
1 |
Problem |
Work out the surface area of this cuboid.(image) |
|
2 |
Step |
Given that the height (h) the width (w), the length (l) is |
6 m, 4 m, and 5 m |
3 |
Formula |
The formula for the surface area of a cuboid with height h, width w, and length l is: Area = 2(lw + lh + wh) |
|
4 |
Step |
Plug the values into the formula: |
\$A = 2(5 \times 4 + 5 \times 6 + 4 \times 6)\$ A = 2(20 + 30 + 24) A = 148 |
5 |
Solution |
So, the surface area of this cuboid is 148 sq units. |
|
6 |
Sumup |
Please summarize steps |
|
Choices |
|||
7 |
Choice-A |
This is not the correct result of the surface area calculation for the given dimensions |
Wrong 128 sq m |
8 |
Choice-B |
The option is correct because it accurately represents the calculated surface area for the cuboid dimensions |
Correct 148 sq m |
9 |
Choice-C |
This is not the correct result of the surface area calculation for the given dimensions |
Wrong 115 m |
10 |
Choice-D |
This is not the correct result of the surface area calculation for the given dimensions |
Wrong 110 sq m |
11 |
Answer |
Option |
B |
12 |
Sumup |
Please summarize choices |
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