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