Question

The radius of a piece of a wire circular in shape is 21 cm . It is rebent into the shape of a rectangle whose length is 40 cm. Find the breadth of the rectangle. ​

Answer 1

Answer:

Therefore breadth of the given rectangle is 26 cm............

Answer 2

Answer:

circumference of a circle is equal to perimeter of rectangle so

2πr=2(length +breadth)

2×22/7×21= 2(40+b)

= 26cm is breadth