The perimeter of triangle A is equal to that of rectangle B.
  1. Find the length of WX in terms of k.
  2. If k = 3, find the area of rectangle B.
4 m
The figure shows 2 rectangles. The length of the bigger rectangle is (6m + 8) cm and the breadth is half its length. Find the perimeter of the smaller rectangle.
4 m
A rectangle has a length of 6p cm and a breadth of 4q cm. Find
  1. its area in terms of p and q,
  2. its perimeter in terms of p and q,
  3. the area of the rectangle if p = 2 and q = 3.
4 m
The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.
2 m
John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC were stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?
2 m
The side of an equilateral triangle is 24k cm long. Find its perimeter.
1 m
PSLE
The square ABCD is made up of 4 smaller squares.
  1. What is the ratio of the area of the shaded part to the area of the unshaded part?
  2. If the length of the square ABCD is 4 cm, what is the area of the shaded part?
2 m
Find the area of the triangle.
1 m
PSLE
Andy had 1.4 m of wire. He used some of it to make the figure as shown.
  1. How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
  2. If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.
2 m
The figure shows a cube. The total length of all the edges of the cube is 156 cm. Find the area of the shaded face.
2 m