Find the perimeter of a parallelogram ABCD if $A B = 8.2 c m$ and $B C = 4.7 c m$

25.8

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28.4

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24.1

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15.8

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Solution

The correct option is B $25.8$ cm
Opposite sides of parallelogram are equal.
$A B = C D$ and $B C = D A$
$P e r i m e t e r = A B + B C + C D + D A$
$= A B + B C + A B + B C$
= $2 \times (A B + B C) = 2 \times (8.2 + 4.7) c m = 25.8 c m$

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