MCQ
The diameter of a circle is $7 \mathrm{~cm}$. Find its area
- A$154 \mathrm{~cm}^{2}$
- ✓$38.5 \mathrm{~cm}^{2}$
- C$22 \mathrm{~cm}^{2}$
- D$11 \mathrm{~cm}^{2}$
✓
Answer
Correct option: B.
$38.5 \mathrm{~cm}^{2}$
b
Area $=\frac{22}{7} \times \frac{7}{2} \times \frac{7}{2}=38.5 \mathrm{~cm}^{2}$
Area $=\frac{22}{7} \times \frac{7}{2} \times \frac{7}{2}=38.5 \mathrm{~cm}^{2}$
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