Find the Area of polygon

Area of a polygon

r -sided polygons are formed by joining the vertices of an n -sided polygon.Find the number of polygons that can be formed,none of whose sides coincide with those of the n - sided polygon.

Find area of Polygon by Stair Method

Find the area of the following polygon, if A L=10 c m , A M=20 c m , A N=50 c m , A O=60 c m a n d A D=90 c mdot Figure

Find the area of regular polygon ? If the area of the circle is A_(1) and area of a regular pentagon inscribed in the circle is A_(2); then find the ratio (A_(1))/(A_(2))

Find the area of regular polygon of 7 sides whose each side measures 4cm and circum- radius is 3cm. (use sqrt(5)=2.236)

Area OF triangle ||Area OF polygon || Condition OF Collinearity OF 3 points

A piece of paper is in the shape of a square of side 1m long.It is cut at the four corners to make a regular polygon of eight sides (octagon).The area of the polygon is

A uniform wire of resistance R is shaped into a regular in sided polygon where n is even. Find the equivalent resistance between (i) opposite corners of polygon (ii) adjacent corners of polygon .