Question

The perimeter of a rectengle is equal to that of a squre with side 15 cm. if the length of the rectangular is 12cm find its bredth

Answer 1

Answer:

length of rectangle l=12

side of square a=15

perimeter of rectangle =perimeter of square

2(l+b)=4a

l+b=2a

b=2a-l

b=2(15)-12

b=30-12=18