Question 1 :
The measures of two adjacent angles of a parallelogram are in the ratio 3 : 2. Find the measure of each of the angles of the parallelogram.

Question 2 :
Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf10f59b460d7261f107.png' /> What can you say about the angle sum of a convex polygon with number of sides as 10?

Question 4 :
Given below a parallelogram ABCD <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf18f59b460d7261f112.png' /> Complete the statement- OC = ......

Question 5 :
State true or false. A square is a parallelogram in which adjacent sides are equal and one angle is of 90°.

Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf7ef59b460d7261f19e.jpeg' /> Refer to the above figures. Which of these are convex polygons ?

Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf81f59b460d7261f1a3.jpeg' /> Refer to the above image. Examine the given table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides 'n' ?

Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1ad478c526e972caf079.png' /> From above figure identify all the concave polygons .

Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1ad278c526e972caf075.png' /> Which of the follwing is a diagonal in the above figure ?

Question 11 :
State true or false. A regular polygon is a polygon whose all sides are equal and also all angles are equal.

Question 12 :
State true or false. Trapezium is a quadrilateral in which a pair of opposite sides is parallel.

Question 14 :
If diagonals of a quadrilateral bisect at right angles, then which type of quadrilateral it is a _______.

Question 15 :
State true or false. A rectangle is a parallelogram in which one angle is of 90°.

Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf0df59b460d7261f104.png' /> In the above fig RENT is a rectangle, Its diagonals meet at O. Find x, if $OR=2x+4$ and $OT=3x+1$.

Question 17 :
Identify all the quadrilaterals that have four sides of equal length .

Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf15f59b460d7261f10e.png' /> From the above figure, find the measure of angle x.

Question 20 :
Given below a parallelogram ABCD <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf1bf59b460d7261f116.png' /> Complete the statement- m ∠DAB + m ∠CDA =

Question 21 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d03af59b460d7261f2a9.png' /> In the above image, find the values of the unknowns x, y, z.

Question 23 :
Rukmini has a farm land which is triangular in shape. What is the sum of all the exterior angles taken in an order of the farm land?

Question 24 :
Figure HOPE is a parallelogram. <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf1cf59b460d7261f117.png' /> Find the angle measures $x$, $y$ and $z$

Question 25 :
What is the angle sum of a convex polygon with 10 sides?