Question

A bookmark has an area of 16 square centimeters. Its perimeter is 20 centimeters. What are the dimensions of the bookmark?

Answer 1

Answer:

2 w + 2 L= 20 or w + L = 10

w L = 16

so L = 16/w

so

w + 16/w =10

w^2 - 10 w + 16 = 0

(w-8)(w-2)=0

w= 8 or 2

so L = 2 or 8

Step-by-step explanation: