PSLE Two figures A and B are shown in the square grid.
- Which figure has a larger area?
- Which figure has a larger perimeter?
- Which angle is larger? ∠c or ∠d
(a)
Counting the number of grid squares.
Area of Figure A = 10 square units
Area of Figure B = 9 square units
Figure A has a larger area than Figure B.
(b)
Use a ruler.
Figure B has a larger perimeter than Figure A.
(c)
Use a protractor.
∠c is larger than ∠d.
Answer(s): (a) A; (b) B; (c) c