Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Computing Perimeter of Triangle |
Grade: 2-a Lesson: S1-L8 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Find the perimeter of a triangle whose sides are 7 cm, 5 cm and 9 cm. |
|
2 |
Definition: |
The perimeter of a triangle is |
P = a + b + c |
3 |
Step |
Where, a, b, c indicates the sides of the triangle |
|
4 |
Step |
The sides of a triangle which means a , b , and c |
7 cm , 5 cm , 9 cm |
5 |
Step |
The perimeter of a triangle is |
P = a + b + c |
6 |
Step |
Simplification |
P = 7 + 5 + 9 |
7 |
Step |
Simplification |
21 |
8 |
Step |
Then the perimeter of a triangle is 21 cm. |
9 |
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