Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: perimeter of sector |
Grade: 7-a Lesson: S1-L8 |
Explanation: |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
If the radius ofa sector is 7m and arc length is 22m. Find the perimeter? |
|
2 |
Formula: |
Perimeter of a sector. |
\$P = 2r + l\$ |
3 |
Step |
Substitute 22 for l and 7 for r. |
\$P = 2(7) + 22\$ |
4 |
Step |
Add. |
\$P = 36 \$ |
5 |
Answer |
The perimeter is \$36 m\$. |
|
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