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Pls help me kind sir or madam

Pls help me kind sir or madam-example-1

1 Answer

3 votes

Answer:


7 {t}^(2) + 21t

Explanation:

There are total 7 rectangles of same dimensions.


\therefore \: Area \: of \: pattern \\ = 7 * Area \: of \: one \: rectangle \\ = 7t(t + 3) \\ = 7 ({t}^(2) + 3t) \\ = 7 {t}^(2) + 21t \\ \\ \red{ \bold{Area \: of \: pattern = 7 {t}^(2) + 21t }}\\

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