Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: Area of Triangle |
Grade: 1400-a Lesson: S3-L2 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find the area of a triangle whose altitude and base are 10 cm and 15 cm, respectively. |
|
2 |
Step |
Given base = 15cm, height = 10cm |
|
3 |
Formula: |
The area (A) of a triangle can be calculated by using the formula: |
A = \$(1/2) \times (b) \times (h)\$ |
4 |
Step |
Substitute the values into the formula: |
A = \$(1/2) \times (15) \times (10)\$ |
5 |
Step |
Solving this expression |
A = \$150/2(cm)^2\$ A = \$75(cm)^2\$ |
6 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
7 |
Choice.A |
Choice A is correct, because it corresponds to accurately calculating the triangle’s area based on the given dimensions |
\$75(cm)^2\$ |
8 |
Choice.B |
Choice B is incorrect, because it does not match the calculated area of the triangle |
\$79(cm)^2\$ |
9 |
Choice.C |
Choice C is incorrect, as it also does not match the calculated area of the triangle |
\$76(cm)^2\$ |
10 |
Choice.D |
Choice D is incorrect, because it does not match the calculated area of the triangle |
\$74(cm)^2\$ |
11 |
Answer |
Option |
A |
12 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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