Sum of the angles of exterior angles of a polygon is
360o
180o
720o
600o
The sum of the angles of a parallelogram is
540o
300o
Opposite sides of a parallelograms are
Supplementary
Equal
Not equal
None of these
Find the number of sides of a regular polygon whose each exterior angles has a measure of 60°
6
9
10
8
Find the value of x
60°
100°
120°
140°
The angles of a pentagon in degrees are x°, (x + 20)°, (x + 40)°, (x + 60)° and (x + 80)° . Measure of the largest angle is
78°
148°
68°
158°
The sum of the angles of any two adjacent angles in a parallelogram measures
90o
Each interior angle of a regular polygon of n sides (n ≥ 3) contains
4n right angles
2(n + 1)/n right angles
2(n - 1)/n right angles
2(n - 2) /n right angles
Example for a regular polygon is
Square
Rectangle
Triangle
The ratio of the sides of two regular polygons is 1 : 2 and of thier interior angles is 3 : 4, then the number of sides of each polygon is
5, 10
9, 12
10, 5
5, 12
