the length of a rectangle is 8 centimeters more than its width. the perimeter is 68cm. Find the length and width of the rectangle.

Respuesta :

Answer:

Step-by-step explanation:

L = w+8

68 = 2*w + 2*L

68 = 2*w + 2*(w+8)

68 = 2w + 2w+16

52 = 4w

13 = w

width = 13 cm

L = 13+8

L = 21 cm