Mathematics
The two parallel sides and the distance between them are in the ratio 3 : 4 : 2. If the area of the trapezium is 175 cm2, find its height.
Related Questions
The following figure shows the cross-section ABCD of a swimming pool which is a trapezium in shape.

If the width DC of the swimming pool is 6.4 m, depth (AD) at the shallow end is 80 cm and depth (BC) at the deepest end is 2.4 m, find its area of cross-section.
The parallel sides of a trapezium are in the ratio 3 : 4. If the distance between the parallel sides is 9 dm and its area is 126 dm2, find the lengths of its parallel sides.
The adjacent sides of a parallelogram are 21 cm and 28 cm. If its one diagonal is 35 cm, find the area of the parallelogram.
The diagonals of a rhombus are 18 cm and 24 cm. Find :
(i) its area
(ii) length of its sides
(iii) its perimeter