- Shape 1 (top left):
- Area = 26 cm²
- Perimeter = 24 cm
- Shape 2 (top middle):
- Area = 24 m²
- Perimeter = 28 m
- Shape 3 (top right):
- Area = 16 km²
- Perimeter = 24 km
- Shape 4 (middle left):
- Area = 28 cm²
- Perimeter = 26 cm
- Shape 5 (middle middle):
- Area = 52 m²
- Perimeter = 36 m
- Shape 6 (middle right):
- Area = 150 km²
- Perimeter = 70 km
- Shape 7 (bottom left):
- Area = 60 m²
- Perimeter = 40 m
- Shape 8 (bottom middle):
- Area = 34 cm²
- Perimeter = 34 cm
- Shape 9 (bottom right):
- Area = 88 m²
- Perimeter = 56 m
Parent Tip: Review the logic above to help your child master the concept of area of irregular shapes 3rd grade worksheet.