The height of trapezium is 280 cm and its area is 4.2 sq. m. Find the sum of its parallel sides *
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Answer:
3m or 300cm
Step-by-step explanation:
area of trapezium=1/2×altidude×sum of parallel sides
∵280cm=2.8m
∴42/10 = 1/2×h×28/10
∴42×2×10/10×28
∴3m
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3
Given:
Area of the trapezium = 4.2 m2
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