A rectangle paper has the area is 8cm2 . If the length is twice the width, find the measure of the width ?
Huy Toàn 8A (TL) 15/09/2018 at 06:19
Let x, y be the length and width of the rectangle:
We have :
So the rectangle width is 2cmHuỳnh Anh Phương selected this answer.
Give that the rectangle ABCD as shown. Prove that : the perinmeter of the rectangle ABCD is equal the area of the rectangle ABCD.