Pei Chun Public Sch 2007 PSLE Math Prelim Q43
Taufik arranged a rectangle and a square and painted them in three colours as shown in the figure below.
THe ratio of the area of the rectangle to that of the square is 3:1.
The ratio of the area of the red part to that of the blue part is 4:1.
The length of the square is 9 cm.
a) What is the area of the purple part?
b) What is the ratio of the area of the purple part to that of the figure?
Solution
THe ratio of the area of the rectangle to that of the square is 3:1.
The ratio of the area of the red part to that of the blue part is 4:1.
The length of the square is 9 cm.
a) What is the area of the purple part?
b) What is the ratio of the area of the purple part to that of the figure?
Solution
posted by psle-maths at
9:14 PM
2 Comments:
How did you get 243?
Oh wait got it
Side not: I'm the same guy who posted the one 2 mins ago
Post a Comment
Subscribe to Post Comments [Atom]
<< Home