Find the height of a trapezium that has parallel sides of 6 cm and 8 cm, and an area of 35 $c m^{2}$ ?

5 cm

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2 cm

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3 cm

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4 cm

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Solution

The correct option is A 5 cm
Here, the parallel sides are 6 cm and 8 cm.
So, a = 6 cm, b = 8 cm
Area of trapezium = $½ (a + b) \times h$
So, $35 = ½ \times (6 + 8) \times h$
$35 = ½ \times (14 \times h$ )
$35 = 7 \times h$
h = 5 cm

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