Question
PSLE
In the figure, YZ = 18 cm, ZA = 21 cm, AB = 27 cm and BY = 6 cm. ∠YZA and ∠ABY are right angles. Find the area of the figure YZAB.
2 m

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PSLE
In the figure, YZ = 18 cm, ZA = 21 cm, AB = 27 cm and BY = 6 cm. ∠YZA and ∠ABY are right angles. Find the area of the figure YZAB.