Diagonal to area

Calculate the area of a rectangle in which the length of the diagonal is 10 cm.

Correct answer:

S =  36.6606 cm2

Step-by-step explanation:

u=10 cm a=4 cm b=u2a2=10242=2 21 cm9.1652 cm  S=a b=4 9.1652=8 21=36.6606 cm2



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