Question

write correct numbers in the boxes length is3 times the breadth iam a rectangle my perimeter is 40 cm breadth x perimeter of the rectangle 40 2_x+_x) =40 2x_x=40 _x=40 x=​

Answer 1

Answer:

Perimeter of the rectangle = 40  ∴ 2(3x + 1x) = 40  ∴ 2 × 4x = 40  ∴ 8x = 40  ∴ x = 5  ∴ Breadth of rectangle = 5 cm and  Length of rectangle = 15 c