8. Four mark example problems

1. The area of a trapezium is \(352 \ sq. \ cm\) and the distance between its parallel sides is \(16 \ cm\). If one of the parallel sides is of length \(25 \ cm\) then find the length of the other side.

 

Answer:

 

Length of the other side \(=\)

 

(Note: Enter the number in the first box and the units in the second box.)

 

2. The collar of a shirt is in the form of isosceles trapezium whose parallel sides are \(17 \ cm\) and \(14 \ cm\) and the distance between them is \(4 \ cm\). Find the area of canvas that will be used to stitch the collar.

 

Answer:

 

Area of the canvas \(=\)  \(sq. \ cm\)