Find the Area of polygon

Area of a polygon

ABCD is a rectangle measuring 60 cm by 50 cm P,Q,and R are the points on AB, AD , and BC, respectively, such that AP = 40 cm, AQ = 20 cm, and BR = 40 cm. Find the area of the polygon QPBCD.

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 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

A regular polygon of 10 sides is constructed. Triangles are formed joining vertices of the polygon. Find the number of triangles (i) if two sides of trinangle coincide with the sides of polygon. (ii) if only one side of triangle coincide with the side of polygon.

A regular polygon of 10 sides is constructed. Triangles are formed joining vertices of the polygon. Find the number of triangles (i) if two sides of trinangle coincide with the sides of polygon. (ii) if only one side of triangle coincide with the side of polygon.

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))