In a polygon, if these exist even one line, which when joining two points of a polygon, does not lie inside the polygon completely, then that polygon is a
Convex polygon
Concave polygon
Irregular polygon
None of these
In a polygon, if the line joining any two points lies inside the polygon, then the polygon is a
Sum of angles of a quadrilateral =
90o
180o
360o
270o
In a rhombus ______ sides are equal.
1
2
3
4
A regular triangle is known as
Isosceles triagle
Equilateral triangle
Scalene triangle
A polygon with 7 sides are called.
Hexagon
Heptagon
Octagon
Decagon
Sum of angles of a Hexagon is.
Sum of angles of a decagon is.
1440o
1420o
1260o
1280o
Sum of exterior angles of a heptagon is.
540o
Sum of exterior angles of a decagon is
