Math Problem Solver

1. Find the area of trapezium whose parallel sides are 24 cm and 20 cm and the distance between

them is 15 cm.

2. The area of trapezium is 1080 cm2. If the lengths of its parallel sides are 55.6 cm and 34.4 cm,

find the distance between them.

3. The area of trapezium is 352 cm" and the distance between its parallel sides is 16 cm. If one of

the parallel sides is of length 25 cm, find the length of the other side.

4. Find the lateral surface area of the cuboids whose dimensions are:

(i).

Length = 22cm, breadth = 12 cm and height = 7.5 cm

(ii).

Length = 15cm, breadth = 6 cm and height = 9 cm

(iii).

Length = 24 m, breadth = 25 cm and height = 6 m

5. The circumference of the base of a cylinder is 176 cm and its height is 65 m. Find its curved

surface area and total surface area of the cylinder.

6. Find the curved surface area and total surface area of the cylinders whose dimensions are:

(i).

radius = 7 cm and height = 35 cm.

(ii).

radius = 14 cm and height = 10 cm.

(iii).

radius = 10 cm and height = 25 cm.

7. Find the area of a rhombus whose diagonals are of lengths 15 cm and 25 cm.

8. The area of a rhombus is 360 cm" and one of the diagonals is 18 cm. Find the other diagonal.

9. The diagonal of a quadrilateral shaped field is 25 m and the perpendiculars dropped on it from

the remaining opposite vertices are 18 m and 12 m. Find the area of the field.

10. An aquarium is in the form of a cuboid whose external measures are 40 cm x 15 cm x 20 cm.

The base, side faces and back face are to be covered with a coloured paper. Find the area of the

paper needed?