Area
Cut out a 3 cm by 4 cm rectangle from centimetre square paper. Label each side length.
4 cm
3 cm
3 cm
4 cm
Talk to a partner about the area and perimeter of the rectangle. Now cut along the diagonal. Label these two lengths 5cm.
4 cm
5 cm
3 cm
3 cm
5 cm
4 cm
Put the two triangles together to make: Two different Isosceles triangles Two different parallelograms Talk to a partner about the area and perimeter of each shape that you make.
126
9781380050717__text.indb 126
28/04/2022 12:12
Made with FlippingBook Learn more on our blog