The area of a rectangle is 27 m2 and its length is 3 times of its breath. The perimeter of the rectangle is:-
Answer & explanation
Correct answer: option 3
Length : Breath = 3 : 1
Area of rectangle = l × b = 3R × 1R = 3R2 = 27
1R = 3
Now,
Perimeter = 2 (l + b) = 2 (4R) = 2 (12) = 24cm