Question

Area of a quadrant of circle whose radius is 2 cm

Answer 1

Answer:

22/7 or 3.14 cm²

Step-by-step explanation:

Area of quadrant

⇒$\frac{1}{4} \pi r^{2}$

⇒$\frac{1}{4} \pi 2^{2}$

⇒$\frac{1}{4} \pi 4$

⇒$\pi$

⇒$\frac{22}{7} or 3.14 cm^{2}$

*****

Hope it helps. :)

Answer 2

$∴The \: area \: of \: quadrant = \frac{{\pi} {r}^{2} }{4} \\ \\\:\:\:\:\:\:\:\:\:\: \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= \frac{\pi {2}^{2} }{4} \\ \\ \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= \frac{\pi4}{4} \\ \\\:\:\:\:\: \:\:\:\:\: \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= \pi \\ \\ \:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:= \green{\boxed{\frac{22}{7} \: cm² \: \: or \: \: 3.14 \: cm²}}$