Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Mensuration Plane Figures
The diagonal of a square is 'a' cm, then the area of the square is :
1
2a cm2
2
\(\frac{a}{\sqrt 2}\) cm2
3
\(\frac{a^2}{4} \) cm2
4
\(\frac{a^2}{2} \) cm2