What is the name of the polygon given below?
Pentagon
Heptagon
Hexagon
Octagon
The given figure has 7 sides and 7 angles.
∴ It is called as Heptagon.
What is the number of diagonals in a (i) heptagon (ii) octagon (iii) polygon of 12 sides ?
Find the magnitude, in radians and degrees, of the interior angle of a regular.
(i) pentagon
(ii) octagon
(iii) heptagon
(iv) duodecagon