John measures the size of a rectangular computer monitor. He finds that the
length is 35.2 and the width is 4.7 cm shorter than its length.
What is the width of the computer monitor ?
what is the area of the computer monitor?
Jack uses a piece of wire to form an equilateral triangle of side 14 cm. But
Michelle reforms it to be a square.What is the area of the square?
the right figure shows a rectangle with leagth 12 cm and width 8 cm . It is cut
into one square and two trapeziums of different size. If the side of the square is 4 cm, what is the area of the smaller trapezium?