Question

a thin wire 20 cm long is is formed into a rectangle .if the width of this rectangle is 4 cm what is its lenght

Answer 1

Step-by-step explanation:

Answer. Perimeter = 20 cm Width = 4 cm Perimeter of rectangle = 20 2 (l + b) = 20 2 (l + 4) = 20 l + 4 = 20/4 l = 10 – 4 l = 6 cm.