Q.

The length of the parallel sides of a trapezium is 14cm and 6cm and the height is 5cm. Find its area.


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a

50cm2

b

100cm2

c

210cm2

d

10cm2  

answer is A.

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Detailed Solution

Given that, the length of one side of the trapezium b1 = 6cm and another is b2 =14cm.
The height of the trapezium h = 5cm.
Drawing the figure from the given data.
Question ImageWe have to find the area of the trapezium.
The area of trapezium is A=12b1+b2×h.
Substitute the values,
A =12×(14+6)×5 A =12×20×5 A =50 cm2 Therefore, option 1 is correct.
 
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