The area of a rectangle is 16 m2 and its length is 4 times of its breath. The perimeter of the rectangle is:-
Answer & explanation
Correct answer: option 1
Length : Breath = 4 : 1
Area of rectangle = l × b = 4R × 1R = 4R2 = 16
1R = 2
Now,
Perimeter = 2 (l + b) = 2 (5R) = 2 (10) = 20cm