Area of Trapezium by Division into Shapes of Known Area
The length of...
Question
The length of the parallel sides of a trapezium are 8.7 cm and 5.3 cm. If the perpendicular distance between them is 4.5 cm, what is its area?
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Solution
Lengths of the parallel sides of the trapezium are 8.7 cm and 5.3 cm.
Perpendicular distance between these sides = Height = 4.5 cm
Area of a trapezium = (Sum of lengths of parallel sides) × (Height)
= × (8.7 + 5.3) cm × 4.5 cm
= 31.5 sq cm