A picture measures 20 cm x 25 cm. The width of the matting and frame at the top and bottom is 5cm. What should be the dimensions of the frame so that the framed picture is similar to the picture alone

Answer 1

25/20 = 1.25

If it is the top that is 25 then
new side = 20+2*5 = 30
new top = 1.25*30 = 37.5

Answer 2

A 2 in frame surrounds a picture of 20in x 12in. Find the area of the frame.

Answer 3

Multiply then find out