Question

What is the area of a rectangle with two sides of length 1 and diagonal length 2?

Answer 1

Other two sides = x

Then, x² + 1² = 2²

x² = 4 - 1
x = √3

Now, Area = Length * Width
A = 1 * √3
A = √3

In short, Your Answer would be: √3 or 1.73

Hope this helps!