Jawapan

2016-06-25T07:05:32+08:00
Assuming that the rectangle has a length of 10 inches and a width of 5 inches, the new perimeter would be 60 inches if the lengths and widths were doubled in size. 

Length = 20 in
Width = 10 in
20 + 20 + 10 +10 = 60 in