find the height of the trapezium whose parellel sides are 5cm and 12cm respectively and its area is 357cm
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Answer:
Height = 42cm
Step-by-step explanation:
Area of a trapezium =1/2 ×[sum of length of parallel sides]
×height
(therefore) 357= 1/2×[5+12]×h
(therefore) 357×2=17×h
(therefore) h =357×2/17
(therefore) h = 21×2
(therefore) h = 42 cm
Therefore height of trapezium is 42 cm.
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