Question 1 :
In a cyclic $\Box ABCD$, twice the measure of $\angle{A}$ is thrice the measure of $\angle{C}$. Find the measure of $\angle{C}$.
Question 2 :
A polygon has to have at least ................. line segments and should be closed.
Question 5 :
The sum of the angles in a quadrilateral is equal to .......... .
Question 6 :
It is possible to construct a quadrilateral with the sufficient data(other than five simple cases), where less than __________ parts but some other relations between them are given.
Question 9 :
A simple closed curve made up of only line segments is called a .....................
Question 10 :
The number of sides of a regular polygon whose each exterior angle has a measure of $30^{o}$ is $.$
Question 12 :
The interior angles of a regular polygon are each $165^o$. How many sides does the polygon have?
Question 13 :
Which of the following can be four interior angles of a quadrilateral ?
Question 14 :
The interior angles of a regular polygon measure $150^o$ each. The number of diagonals of the polygon is
Question 15 :
If two adjacent angles of a parallelogram are in the ratio $ 2 : 3 $ , then the measure of angles are
Question 16 :
The mid-points of the sides of any quadrilateral are the vertices of ________.
Question 17 :
If the angle of a quadrilateral are ${ x }^{ 0 },(x-{ 10) }^{ 0 },(x+{ 30 })^{ 0 }$ and $2{ x }^{ 0 }$, then the greatest angle is
Question 18 :
Difference between the interior and exterior angles of regular polygon is $60^{\circ}$. The number of sides in the polygon is
Question 19 :
Which of the following statement(s) is/are false with respect to quadrilateral?
Question 21 :
a) What is a regular polygon of $7$ sides called?<br>b) What is the sum of interior angles of a regular octagon?