PSLE Two figures W and X are shown in the square grid.
- Which figure has a larger area?
- Which figure has a larger perimeter?
- Which angle is larger? ∠y or ∠z
(a)
Counting the number of grid squares.
Area of Figure W = 8 square units
Area of Figure X = 7 square units
Figure W has a larger area than Figure X.
(b)
Use a ruler.
Figure W has a larger perimeter than Figure X.
(c)
Use a protractor.
∠z is larger than ∠y.
Answer(s): (a) W; (b) W; (c) z