1 Measure the sides of these shapes. Calculate the perimeters. (a) (b)
(c)
(d)
2 Now compare the perimeters of the shapes in question 1. Write the perimeters in order from shortest to longest. 3 The farmer has a rectangular field. The field is 100 m long and 80 m wide. There is also a square field with sides of 80 metres. (a) What is the total amount of fencing needed for the perimeter of both fields? (b) How much longer is the perimeter of the rectangular field than the square field?
E
The perimeters of a rectangle and square are both 12 cm. Use a ruler to help draw the square accurately. Explore different possible dimensions for the rectangle with a partner. Draw one of your examples.
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