Question

If a square has a diagonal of length $17\sqrt{2}cm$. Find its perimeter.

Answer 1

$\sqrt{2}$ side $=diagonal (Formula)

$\therefore$ side $=\frac{17\sqrt{2}}{\sqrt{2}}cm$

side $=17cm$

$\therefore$ Perimeter $=4\times side$

$=(4\times 17)cm$

PErimeter $=68cm$