Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Circumference of a circle |
Grade: 8-a Lesson: S4-L3 |
Explanation: Let us verify the answer here with the steps. |
Description:
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
A circular trampoline has a radius of 25 cm. What is the circumference of the trampoline? |
|
2 |
Hint |
Formula used |
\$"Circumference" = 2\pi r\$ |
3 |
Step |
The radius of the circular trampoline |
25 cm |
4 |
Step |
Circumference of circular trampoline |
\$"C" = 2\pi r\$ ⇒ \$"C" = 2 \times 3.14 \times 25\$ ⇒ \$"C" = 157\$ |
5 |
Step |
Hence, the circumference of the circular trampoline |
\$157\$ meters |
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