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A square of side 12 cm has the same area as a trapezium with parallel sides 22 cm and 14 cm.
Find the height of the trapezium (in cm).

Class 8Area of a TrapeziumMensuration

A7
B16
C8
D9

Step-by-Step Solution

Square area =

12 \times 12 = 144

sq cm. So

\frac{1}{2}

(22 + 14) h = 144

, i.e.

18 h = 144, h = 8

cm.

Answer: C) 8

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