Question

Q19. Find the area of circle if diameter is 28 cm.

Answer 1

Dear student
$$\begin{gathered} \mathrm{Que}19 \\ \mathrm{Diameter},\mathrm{d}=28\mathrm{cm} \\ \mathrm{radius},\mathrm{r}=\frac{\mathrm{d}}{2}=\frac{28}{2}\mathrm{cm}=14\mathrm{cm} \\ \mathrm{Area}\mathrm{of}\mathrm{circle}={\mathrm{\pi r}}^2=\frac{22}{7}\times {14}^2=616{\mathrm{cm}}^2 \end{gathered}$$
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