The area of the square A will be :
Answer & explanation
Correct answer: option 2
As on side it is a right angle triangle ,
H² = P²+ B²
= 3² + 4²
H² = 25
H = 5
So, Side of square = 5 cm
Area of square = 5²
= 25
The correct answer is option (2) : $25\, cm^2$