Correct Answer - Option 2 : 148 cm
Given
Length = 36 breadth
Area of rectangle = 144 cm2
Formula used:
Perimeter of rectangle = 2(length + breadth)
Area of rectangle = length × breadth
Calculation
Let the breadth of a triangle is x cm
So, length is 36x cm
Area of rectangle = 144
⇒ 36x × x = 144
⇒ x2 = 144/36
⇒ x = √4
⇒ x = 2 cm
Length = 36 × 2 = 72 cm
Perimeter of rectangle = 2 × (72 + 2) = 2 × 74 = 148 cm
∴ The perimeter of the rectangle is 148 cm.