Question 5 :
If diagonals of a quadrilateral bisect at right angles, then which type of quadrilateral it is a _______.
Question 7 :
What is the angle sum of a convex polygon with seven sides?
Question 9 :
All squares are rhombuses and also rectangles. Is it true or false ?
Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d03af59b460d7261f2aa.png' />
In the above image, find the values of the unknowns x, y, z.
Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf0ef59b460d7261f105.png' />
From the above figure, find the measure of angle x.
Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf7ef59b460d7261f19f.jpeg' />
Refer to the above figures. Which of these are concave polygons ?
Question 14 :
Each interior angle of a polygon is $108^{\circ}$. What will be the number of sides of the polygon?
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d036f59b460d7261f2a4.png' />
In the above parallelogram ABCD, AD =..... ?
Question 18 :
The ratio of exterior angle to interior angle of a regular polygon is 1:4. What will be the number of sides of the polygon?
Question 19 :
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 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf09f59b460d7261f0fe.png' />
In the above given fig. What is the measure of each interior angle?
Question 21 :
State true or false. A square is a parallelogram in which adjacent sides are equal and one angle is of 90°.
Question 24 :
Given below a parallelogram ABCD
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf1af59b460d7261f115.png' />
Complete the statement
AD = ......
Question 25 :
<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 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d02cf59b460d7261f296.png' />
Classify the above image on the basis of following options.
Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1ad378c526e972caf077.png' />
In the above figure, is PQ a diagonal ?
Question 30 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1ad478c526e972caf079.png' />
From above figure identify all the Simple curves .
Question 31 :
Based on the nature of the sides or angles of a quadrilateral, it gets special names.
TRUE or FALSE ?
Question 32 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cdbaf59b460d7261ef2f.png' />
Is the figure given above a closed curve?
Question 35 :
State true or false. A quadrilateral can be constructed uniquely if the lengths of its three sides and two diagonals are given.
Question 36 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf0af59b460d7261f0ff.png' />
In the above given fig. What is the measure of each exterior angle?
Question 37 :
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 38 :
The diagonals of a square are perpendicular bisectors of each other.
Question 39 :
<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 41 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d035f59b460d7261f2a3.png' />
In the above image, find the value of x.
Question 42 :
<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 43 :
Is it true, for constructing a unique parallelogram lengths of only two sides should be given?
Question 44 :
<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 45 :
<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 47 :
For getting diagonals through vertex A of a pentagon ABCDE, A is joined to________.
Question 48 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d03df59b460d7261f2ae.png' />
In the above image, GUNS is a parallelogram. Find the value of x and y. (Lengths are in cm).
Question 49 :
State true or false. A regular polygon is a polygon whose all sides are equal and also all angles are equal.
Question 50 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cf82f59b460d7261f1a4.jpeg' />
From the above figure, find the measure $x$.