A. 54 cm
B. 27 cm
C. 12 cm
D. 15 cm
Let the length and breadth be 5x cm and 4x cm.
5x*4x=180
20x²=180
x²=9,x=3 Length = 15cm Breadth = 12cm Perimeter
= 2(l+b)
= 2*27
= 54 cm
Correct Answer: A. 54 cm ✔
Last Updated: February 07, 2020
A. 54 cm
B. 27 cm
C. 12 cm
D. 15 cm
Let the length and breadth be 5x cm and 4x cm.
5x*4x=180
20x²=180
x²=9,x=3 Length = 15cm Breadth = 12cm Perimeter
= 2(l+b)
= 2*27
= 54 cm
Correct Answer: A. 54 cm ✔
Last Updated: February 07, 2020