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Answer :

Bellecarolinego
the answer should be the 3rd one
Mistressofdarkgo

A. (3×10)+(7×10)

Because

(3×10)+(7×10) = 30+70 = 100

And the area of the figure is also

10×10 = 100

(3×10)+(7×10) = 10×10

So, the answer is A.

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