CBSE | NCERT CLASS

What is Polygon? a plane figure with at least three straight sides and angles, and typically five or more . Example of Polygons: Triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon according as it contains 3,4,5,6,7,8,9,10 sides respectively.

Area of Polygon CBSE Class VIII Maths The plots and fields are in the form of regular or irregular polygons. We find their areas by dividing them into triangles, rectangles, parallelograms and trapeziums. 1. In the give figure, PQRS is a quadrilateral in which PR=32m, QX perpendicular PR,   SY perpendicular PR such that QX=10m and SY=8m. Find the area of the quad PQRS. Answer:

Area of a Trapezium, CBSE NCERT (Class 8, 9,10) Trapezium : A trapezium is a quadrilateral having one pair of parallel opposite sides.

Probability In our day-to-day life we here statements like: most probably it will rain today, chances are high that the prices of petrol will go up, I doubt that he will win the race. The words ‘most probably’, ‘chances’, ‘doubt’ show the probability of occurrence of an event. Experiment : An operation which can produce some well defined outcomes is called an experiment. Each outcome is called an event.