Question

A thin wire 30 cm long is formed into a rectangle. If the width of this rectangle is 6 cm. What is its length? 1. 6 cm 2. 9 cm 3. 12 cm 4. 18 cm Q​

Answer 1

Answer:

perimeter of rectangle is 30cm

and width is 6cm

perimeter of rectangle =2(l+b)

2(l+6)=30

2l+12=30

2l=30-12

2l=18

l=18/2

l=9

length is 9 cm.