PSLE Two figures P and Q are shown in the square grid.
- Which figure has a larger area?
- Which figure has a larger perimeter?
- Which angle is larger? ∠r or ∠s
(a)
Counting the number of grid squares.
Area of Figure P = 10 square units
Area of Figure Q = 8 square units
Figure P has a larger area than Figure Q.
(b)
Use a ruler.
Figure P has a larger perimeter than Figure Q.
(c)
Use a protractor.
∠r is larger than ∠s.
Answer(s): (a) P; (b) P; (c) r