Question

plz help me plz plz​

Answer 1

Answer:

3388

Step-by-step explanation:

$total \: area \: = 2\pi {r}^{2} = 2 \times \frac{22}{7} \times {28}^{2} = 44 \times 4 \times 28 = 4928 \\ area \: of \: unshaded \: part = 2\pi( {14}^{2} + {7}^{2} ) = 2 \times \frac{22}{7} \times 245 = 44 \times 35 = 1540 \\ area \: of \: shaded \: part =4928 - 1540 = 3388$

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