The interior angle of a regular polygon exceeds the exterior angle by 140°. Which one of the following is the number of sides in the polygon?
15
16
18
20
Example for a regular polygon is
Square
Rectangle
Triangle
None of these
Sum of the angles of exterior angles of a polygon is
360o
180o
720o
600o
If angles P, Q, R, and S of the quadrilateral PQRS, taken in order, are in the ratio 3 : 7 : 6 : 4, then PQRS is a
rhombus
parallellogram
trapezium
kite
A polygon with 10 sides are called
Hexagon
Decagon
Octagon
Heptagon
The number of sides of a regular polygon, if each of its interior angles is 135°, is given by
4
6
8
10
In a square ABCD, the diagonals bisect at O. Then triangle AOB is
an equilateral triangle.
an isosceles but not a right angled triangle.
a right angles but not an isosceles triangle.
an isoceles right angled triangle.
The sum of the angles of a parallelogram is
540o
300o
Find the measure of each exterior angle of a regular polygon of 10 sides.
450
36°
40°
90°
The sum of the measures of the four angles of the quadrilateral is
180°
120°
360°
