Question

3. The area of a trapezium is 34 cm and the length of one of the parallel sides is 10cm and
height is 4cm. Find the length of the other parallel side.
​

Answer 1

Step-by-step explanation:

Let the required other side=xcm

Area of the trapezium=  

2

1

​  

×[sumofparallelsides]×[Height]

34=  

2

1

​  

×[10+x]×4

or,  

4

2×34

​  

=10+x

or, 10+x=17

=x=17−10=7cm

Hence, the required other side=7cm.