Question 1 :
ABCD is a trapezium in which $AB\parallel DC$ and $\angle A = \angle B = 45^{\circ}$. Find angles C and D of the trapezium

Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d205f59b460d7261f521.PNG' /> Using the above fig, we can say that in a parallelogram, opposite sides are ________.

Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d154f59b460d7261f422.jpg' /> In the above figure, it is given that BDEF and FDCE are parallelograms. Can you say that BD = CD?

Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d214f59b460d7261f537.PNG' /> In ∆ ABC and ∆ DEF in the above fig, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively. Quadrilateral ABED is a ______________

Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d208f59b460d7261f525.PNG' /> In the above fig, ABC is an isosceles triangle in which AB = AC. AD bisects exterior angle PAC and CD || AB . ABCD is a ____________.

Question 6 :
ABCD is a rectangle in which diagonal BD bisects ∠B. What type of quadrilateral is ABCD?

Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d21bf59b460d7261f540.PNG' /> ABCD is a trapezium given in the above fig in which AB || CD and AD = BC. Diagonals AC and BD are unequal. TRUE or FALSE ?

Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d20af59b460d7261f527.PNG' /> Using the above fig, identify the quadrilateral formed by the angular bisectors of all the angles of a parallelogram.

Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d1fef59b460d7261f517.PNG' /> In quadrilateral ABCD shown in the above fig, which of the following are its diagonals ?