Calculate 5809

In the ABCD rectangle, the AB side is 16 cm long, and the AC diagonal is 20 cm long. Calculate the perimeter and area of the rectangle.

Correct answer:

o =  56 cm
S =  192 cm2

Step-by-step explanation:

a=16 cm u=20 cm 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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