153 A Regular Polygon Generator

152 A unit circle for proofing the limit of θsinPi/θ

151 Circle with Regular polygons

150 Area of a trangle with circumcircle

149 Area of a trangle formula by base and height

148 Area od A trangle with inscribed circle

147 Area of a trangleby Heron’s formula

146 A Triangle for Trigonometry Area Formula

145 Proof of Law of Sines - Circumcircle of a trangle with its circumcenter on one side of the triangle

144 Proof od Law of SInes - Circumcircle of a trangle with its circumcenter outside the triangle

143 proof of law of sines - Circumcircle of a trangle with its circumcenter inside the triangle

142 Circumcircle of a trangle with its circumcenter on one side of the triangle