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What is the perimeter, in cm, of quadrilateral ABCD if $AB \perp BC$, $DC \perp BC$, AB = 9 cm, DC = 4 cm, and BC = 12 cm?

 Jul 29, 2022
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See asinus's   answer  here :  https://web2.0calc.com/questions/geometry_96592

 

 

cool cool cool

 Jul 29, 2022

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