Question

The length of a diagonal of a square is 6 mm. Find the area of the square. i don get it :S

Answer 1

Picture:

Answer 2

i dont get it :$

Answer 3

Note the right triangles. So \[2s^2=36 \implies s^2=18\]s^2 is the area of the square, no?

Answer 4

It is a disguised Pythagorean theorem problem.

Answer 5

so is going to be 18mm2

Answer 6

Yep.

Answer 7

now i get it :) thax u

Answer 8

No sweat. Do math every day.