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Identifying Shapes and Areas of Different Regular Figures

AB∥ CD, AD∥ B...

Question

$A B ∥ C D, A D ∥ B C, D F ⊥ A B . l (A B) = 9.9 c m ., l (D F) = 4.2 c m$ . Find the area of $□ A B C D$ .

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Solution

As we know that,
Area of the parallelogram is given as-
$A = b \times h$

Here,
$b = A B = 9.9 c m$
$h = D F = 4.2 c m$

Therefore,
$A = 9.9 \times 4.2 = 41.58 {c m}^{2}$

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Identifying Shapes and Areas of Different Regular Figures

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