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प्रश्न
In a trapezium if the sum of the parallel sides is 10 cm and the area is 140 sq.cm, then the height is
पर्याय
7 cm
40 cm
14 cm
28 cm
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उत्तर
28 cm
Explanation;
Hint:
Area = `1/2` × h × (a + b)
140 = `1/2` × h × 10
h = `(140 xx 2)/10`
⇒ h = 28
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