Objective: To give-up the ghost the formula for surface area of a parallelogram past times newspaper cutting together with pasting.
Material required: Dotted paper, duad of scissors, ruler, pencil, glue.
Procedure:
1.Draw a parallelogram on a dotted newspaper . Name it ABCD.
2. Drop a perpendicular from D on AB.
3. Cut along the perpendicular drawn every minute shown below.
4. Displace the cutting out together with house it following to BC as shown below.
5. Observe the novel shape. It is a rectangle. Write the area.
Result: Area of a parallelogram = base of operations 10 height
