Hello, fabxx!

In the figure, what is the area of the inner square?Code:2 1 *-----------*-----* 1 | * * | | * * | * * | 2 |* * | | * *| 2 | * * | * * | | * * | 1 *-----*-----------* 1 2

It is a square within a square.

. . The four right triangles are congruent.

In a right triangle, the legs are 1 and 2.

. . Hence, the hypotenuse is

Therefore, the area of the inner square is: . square units.