What is the area of the largest square?

X^2 = 12^2 + 9^2
x = 15

area = 15 × 15
area = 225 m^2

A=a^2=9^2 i think that the small square, if u double it, will be the same size pf the big square. And if im wrong, thats why teachers are there. Good luck

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Ineed show the photo because i need more information