Question

Draw and label the parts of a circle (at least 5 parts) and give theformulas for circumference and area.

Answer 1

The formulas to circumference is:

`\begin{gathered} C=2\cdot\pi\cdot r \\ C=\pi\cdot d \\ \\ r=\text{radius} \\ d=\text{diameter} \end{gathered}`

The formula to area is:

`A=\pi\cdot r^2`