A 4 by 5 inch photo is enlarged by multiplying every dimension by 2 to form a similar 8 by 10 inch photo. What is the ratio of the perimeter of the smaller rectangle to that of the larger? What is the ration of the two areas?

Question

anonymous · Answer

@nitsuagem  can you Find the Perimeter of given photo

anonymous · Answer

Perimetr of original is 18
Perimeter of new rectangle is 36

Ratio of 18: 36 or 1:2

anonymous · Answer

Area of original is 4 x 5 = 20
Area of new rectangle is 8 x 10 = 80

Ratio of area of original to the new rectangle is 20:80 or 1:4