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9. Find the area of the shaded region

If the length of

$AC$

$=$ 21

$cm$ and

$BC$

$=$ 28

$cm$ , find the area of the shaded region and also the longest chord of the circle

$AB$ . (Hint: Take

$\pi = \frac{22}{7}$ )

Prob 9(i).png

Answer:

(i) The length of

$AB$

$=$

$cm$ .

(ii) Area of the shaded region

$=$

$cm^{2}$ .

[Note: Input the area value up to two decimal places.]

$1$

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