Question

Q2.(A) Solve the following;


A rectangle is made from a thin wire of length 20cm. If the breadth of
this rectangle is 4cm then what will be its length?​

Answer 1

Answer:

The wire has formed the perimeter of rectangle. As such,

Petimeter of Rectangle = sum of all sides

As the length of wire was 20 cm, therefore the perimeter of rectangle is 20 cm.

Perimeter of rectangle =2 (length + width)

2 (Length + 4) = 20

Length + 4 = 20 / 2

Length + 4 = 10

Length = 10 - 4

Length = 6 cm.

Length of formed rectangle is 6 cm.