Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf83f59b460d7261f1a5.jpeg' />
From the above figure, find the measure $x$.
Question 3 :
<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 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d034f59b460d7261f2a1.png' />
In the above image, find x + y + z + w.
Question 6 :
What is the maximum exterior angle possible for a regular polygon?
Question 7 :
Identify all the quadrilaterals that have four sides of equal length .
Question 10 :
Diagonals of a parallelogram have equal length. TRUE or FALSE ?
Question 11 :
State true or false. A square is a parallelogram in which adjacent sides are equal and one angle is of 90°.
Question 12 :
The diagonals of a rhombus bisect each other at _______ angle.
Question 14 :
State true or false. A diagonal of a polygon is a line segment connecting two non-consecutive vertices.
Question 17 :
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 18 :
Find the measure of each exterior angle of a regular polygon of 9 sides.
Question 20 :
<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 22 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf1df59b460d7261f119.png' />
From the above figure, find the values of the unknowns $x$, $y$, $z$
Question 23 :
Two adjacent angles of a parallelogram are in the ratio 4 : 5. What will be their measures?
Question 24 :
State true or false. A quadrilateral can be constructed uniquely if its three sides and two included angles are given.
Question 25 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d037f59b460d7261f2a5.png' />
In the above parallelogram ABCD, $\angle DCB$ =..... ?
Question 27 :
State true or false. In a rhombus diagonals intersect at right angles.
Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d03ff59b460d7261f2b0.png' />
Both RISK and CLUE are parallelograms. Find the value of x.
Question 29 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf09f59b460d7261f0fd.png' />
In the above given fig, What is the sum of the measures of its exterior angles $x, y, z, p, q, r$?
Question 31 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d035f59b460d7261f2a2.png' />
In the above image, find the value of x.
Question 32 :
State true or false. The sum of interior angles of a quadrilateral is 360°.
Question 33 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf20f59b460d7261f11e.png' />
In the above given fig. Find $x$ and $y$. (Lengths are in cm)
Question 35 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cdbcf59b460d7261ef32.png' />
In the above figure, PQRS is a parallelogram, the bisectors of $\angle{P}$ and $\angle{Q}$ meet at O. What will be the value of $\angle{POQ}$?
Question 36 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d036f59b460d7261f2a4.png' />
In the above parallelogram ABCD, AD =..... ?
Question 39 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1ad478c526e972caf079.png' />
From above figure identify all the convex polygons.
Question 40 :
What is the minimum interior angle possible for a regular polygon?
Question 42 :
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 43 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d033f59b460d7261f2a0.png' />
In the above image, find x + y + z.
Question 44 :
Find the number of sides of a regular polygon whose each exterior angle has a measure of 45°.
Question 45 :
Can a quadrilateral ABCD be a parallelogram if ∠D + ∠B = 180°?
Question 46 :
What is the number of diagonals in a polygon of n sides?
Question 47 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf15f59b460d7261f10d.png' />
From the above figure, find the measure of angle x.
Question 48 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d030f59b460d7261f29c.png' />
Classify the above image on the basis of following options.
Question 49 :
State whether True or False-.
All squares are rhombuses and also rectangles.