Math 2022 Question 29
2 marks
Question
A square and rectangle are drawn on the 1 cm grid below.
What is the difference in their perimeters?
Answer
2 cm
Explanation
Rectangle Perimeter = (9×2) +(10×2) = 18 + 20 = 38
Square Perimeter = 9×4 = 36
Difference = 38-36 = 2
