Question

the length of the rectangle is taken as 'm' and breadth is taken 'n'. find the perimeter and area of rectangle. 6th grade question​

Answer 1

Answer:

solution 14

Step-by-step explanation:

Let the breadth of the field = x cm ∴ its length = 2x and, its perimeter = 2 x (length + breadth) = 2 x (2x + x) = 2(3x) = 6x cm Perimeter = 60 cm

60 cm = 6x cm

x = 60/6 = 10 cm

Breadth = x cm = 10 cm

Length = 2x cm = 20 cm