A polygon with 7 sides are called.
Hexagon
Heptagon
Octagon
Decagon
Number of side of a Decagon is.
7
8
9
10
In a polygon, if the line joining any two points lies inside the polygon, then the polygon is a
Convex polygon
Concave polygon
Irregular polygon
None of these
Sum of exterior angles of a decagon is
180o
270o
360o
540o
In a rhombus ______ sides are equal.
1
2
3
4
Sum of angles of a quadrilateral =
90o
Number of diagonals of a quadrilateral is.
Sum of exterior angles of a heptagon is.
A decagon has ____ diagonals.
12
20
35
38
