Calculate the area of the curtain (in sq cm) if its length is $9 m$ and width is $7 m$ .

630 s q c m

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63 s q m

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6, 300 s q c m

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630, 000 s q c m

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Solution

The correct option is D $630, 000 s q c m$

Let’s determine the length and width of the curtain (in cm).

Length of the curtain $= 9 m$

Length of the curtain (in cm) $= 9 \times 100 = 900 c m$

Width of the curtain $= 7 m$

Width of the curtain (in cm) $= 7 \times 100 = 700 c m$

Area of the curtain = Length $\times$ Width

Length $\times$ Width $= 900 \times 700 = 630, 000 s q c m$

Hence, the correct option is C.

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