Question

the adjoining figure shows a circle and 2 quadrants..the diameter of circle is 28cm...find the area of shaded portion

Answer 1

ar. shade part = ar circle - 2 ar quadrant
$= \pi {r}^{2} - 2( \frac{1}{4} \pi {r}^{2} ) \\ =(\frac{22}{7} \times \frac{28}{2} \times \frac{28}{2} ) - 2( \frac{1}{4} \times \frac{22}{7} \times 14 \times 14) \\ = (28 \times 22) - 2(22 \times 7) \\ = 616 - 308 \\ = 308 \: {cm}^{2}$
hope this helps
please mark as brainliest

Answer 2

Answer:

Step-by-step explanation: