11-01-2020
Mathematics

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find the perimeter of the rectangle whose lenth is 24cm and diagonal is 25cm

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sadstudent234 sadstudent234

11-01-2020

p=2l +2w to find w use Pythagorean theorem

25^2 -24^2= w^2
625-576=w^2
w=7
2l +2w: l=24 w=7
24+24+7+7=62
Perimeter=62 cm

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