Question

A thin wire 20 cm long is formed into a rectangle. if the width of this rectangle is 4cm what is its length?​

Answer 1

Answer:

Perimeter of the wire =20cm

2(l+w)=20

⇒2[l+4]=20

⇒2l+8=20

⇒2l=12

⇒l=6cm

Hence, length =6cm

Hope this is helpful for you.

Answer 2

Answer:

the answer is 5

Step-by-step explanation:

bcoz 4×5=20