The total area is: A = (20) * (37) A = 740 in ^ 2 We can make the following rule of three: 740in ^ 2 -----> 100% x --------------> 50% Clearing x we have: x = (50/100) * (740) x = 370 in ^ 2 Answer: the area of the canvas which was covered by the red rose was: x = 370 in ^ 2