Question

Marie has a small copy of Rene Magritte's famous painting, The Schoolmaster. Her copy has dimensions 2 inches by 1.5 inches. The scale of the copy is 1 in.:40cm.
a. Find the dimensions of the original painting.
b. Find the area of the original painting.
c. Since 1 inch is 2.54 centimeters, find the dimensions of the original painting in inches.
d. Find the area of the original painting in square inches.

Answer 1

Scale: 1 inch : 40cm

a) 2 inches x 40 cm = 80 cm ; 1.5 inches x 40 cm = 60 cm
b) Area = 80 cm * 60 cm = 4,800 cm²
c) 80 cm * 1 inch / 2.54 cm = 31.50 inches ;
    60 cm * 1 inch/2.54 cm = 23.60 inches
d) Area = 31.50 in * 23.60 in = 743.40 inches²