Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Fractions: multiplication |
Grade: 8-a Lesson: S1-L7 |
Explanation: Let us verify the answer here with the steps. |
Description:
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Smitha wants to fence around a circular garden with a radius of 56 meters. If the cost of fencing is $13 per meter, find the total cost of fencing for the entire garden. (Use \$\pi = 22/7\$)? |
|
2 |
Hint |
Operator used : Multiplication |
\$\times\$ |
3 |
Step |
The radius of garden |
\$56 meters\$ |
4 |
Step |
Formula for perimeter of a circle |
\$2 \pi r\$ |
5 |
Step |
On Simplification |
\$2 \times (22/\cancel7^1) \times \cancel56^8\$ |
6 |
Step |
On Simplification |
\$352 meters\$ |
7 |
Step |
The cost of fencing per meter |
$13 |
8 |
Step |
Then, the cost of fencing for 352 meters |
\$13(352)\$ = \$$4576\$ |
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