If a square has a diagonal of length $6\sqrt{2}$cm, then the area of square is :
Answer & explanation
Correct answer: option 4
Digonal of square having side "a" = $a\sqrt{2}$.
ATQ,
Digonal = $a\sqrt{2}$ = $6\sqrt{2}$.
Therfore,
a = 6 cm
Area of the square = a2 = 62 = 36 cm2