WXYZ is a rectangle. Find the area of the shaded part.
Solution
Area of rectangle ---- 12 cm x 6 cm = 72 square cm
Area of unshaded triangle ----
½ x base x height
= ½ x 7 cm x 6 cm = 21 square cm
Area of shaded part -----
(72 – 21) square cm= 51 square cm (Answer)
Wednesday, January 14, 2009
Tao Nan School P5 SA2 2007 Math Q40
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