PSLE Math 2023 Paper 2 Question 17
(Jiayu Trapezium Perimeter and Length Question)
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PSLE Math 2023 Paper 2 Question 17
a) Perimeter of figure 2 = 204cm
Perimeter of 3 figure 1 = 96cm x 3
= 288cm
PQ = (288cm - 204cm) ÷ 4
= 84cm ÷ 4
= 21cm
b) Area of 2 such trapeziums = Area of 1 rectangle
Area of 2 trapeziums = 1932cm^2 ÷ 2
= 966cm^2
Length of rectangle = 966cm^2 ÷ 21cm
= 46cm
Length of RS = 46cm - 21cm - 21cm
= 13cm
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