Question

If one side of a parallelogram whose perimeter is 42 cm is 12 cm find the measure of it’s adjacent side

Answer 1

Answer:

9 cm

please make me brain list

Answer 2

let another side be "x"

$2(12 \: cm + x) = 42 \: cm$

$= > 12 \: cm + x = 21 \: cm$

$= > x = 21 \: cm \: - \: 12 \: cm$

$= > x = 9 \: cm$

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