Question

In the figure below, ABCD is made up of 3 identical rectangles. The perimeter of ABCD is 60 cm. Find the length of BC.​

Answer 1

Answer:

12cm

Step-by-step explanation:

let bc be x cm

the width of the rectangle is y cm

3x+4y=60 (set equations)

x=12

y=6

so bc = 12cm