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
Sum of angles of a quadrilateral =
90o
180o
360o
270o
In a rhombus ______ sides are equal.
1
2
3
4
Sum of exterior angles of a heptagon is.
540o
Number of diagonals of a quadrilateral is.
A regular triangle is known as
Isosceles triagle
Equilateral triangle
Scalene triangle
Which of the following is a pentagon.
Find the number of sides of a regular polygon whose each exterior angles has a measure of 60o.
8
7
6
5
If each angle of a rhombus is right angle, then rhombus is a
Trapezium
Rectangle
Parallelogram
Square
