Rectangle and diagonal

In the rectangle ABCD, we know the side length is AB = 16 cm, and the diagonal AC = 20 cm. Calculate its perimeter and area.

Final Answer:

o =  56 cm
S =  192 cm2

Step-by-step explanation:

a=16 cm u=20 cm  u2=a2+b2 b=u2a2=202162=12 cm  o=2 (a+b)=2 (16+12)=56 cm
S=a b=16 12=192 cm2



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