Question

please send me answer​

Answer 1

Answer:

$1. \\ perimeter = 2(l + b) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2(9 + 3)cm \\ \: \: = 2 \times 12cm \\ \: \: = 24cm \\ 2.$

Answer 2

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