Question

The perimeter of a square is 40 cm. A rectangle of length 20 cm has the same area as that of the square. Find the breadth of the rectangle.​

Answer 1

Step-by-step explanation:

A1=A2

Side of square = 40/4 = 10cm

Area of square= 10×10=100cm²

Area of rectangle=20×b

20×b = 100

b= 5

Hence breadth of rectangle= 5 cm

Answer 2

Answer:

5cm

Step-by-step explanation:

Perimeter of a square 4a=40⇒a=10cm

Area=a² =100cm²

Area of Rectangle =length×breadth=100

⇒B=100/20=5cm

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