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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Tips for related online calculators
The Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

 
We encourage you to watch this tutorial video on this math problem: video1   video2

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