Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca18f59b460d7261ea82.png' />
From the above image, find angle x.
Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca7cf59b460d7261eb09.png' />
In the above image, it is given that $ ΔAMP \cong ΔAMQ$. Then $ΔAMP \cong ΔAMQ$. Which congruence criterion do we use in the following ?
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca2df59b460d7261ea9f.png' />
From the above image, find the value of the unknown exterior angle x.
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb1df59b460d7261ebdb.png' />
In the above figure, find the value of the unknown x.
Question 5 :
Given below are measurements of some parts of two triangles. Examine whether the two triangles are congruent or not, by ASA congruence rule.
In triangle DEF, $\angle D = 60^{\circ}$, $\angle F = 80^{\circ}$, DF = 6 cm
In triangle PQR,$\angle Q = 60^{\circ}$, $\angle R = 80^{\circ}$, QP = 6 cm
Question 6 :
Write the vertex opposite to the side RT of triangle RST.
Question 7 :
Can you have a triangle with all the three angles less than 60º?
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca16f59b460d7261ea7f.png' />
In the above image, find $m \angle P$.
Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb0bf59b460d7261ebc3.png' />
In the above figure, find the value of the unknown interior angle x.
Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c94bf59b460d7261e978.png' />
Can you, now, say if the sheets of the same letter-pad are congruent or not?
Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c962f59b460d7261e995.png' />
In the above image, measures of some parts are indicated. By applying ASA congruence rule, state whether the pair of triangles are congruent or not.
Question 13 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca0cf59b460d7261ea71.png' />
Look at the above image and tell what type of triangle is it according to its angles.
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca23f59b460d7261ea91.png' />
From the above image, find the unknown length x.
Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca21f59b460d7261ea8e.png ' />
From the above image, find the unknown length x.
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca27f59b460d7261ea97.png' />
From the above image, in triangle ABC, is BE a median?
Question 17 :
The foot of a ladder is 6 m away from its wall and its top reaches a window 8 m above the ground, Find the length of the ladder.
Question 18 :
In $\triangle ABC$, $\angle A = 30^{\circ}$ , $\angle B = 40^{\circ}$ and $\angle C = 110^{\circ}$
In $\triangle PQR$, $\angle P = 30^{\circ}$ , $\angle Q = 40^{\circ}$ and $\angle R = 110^{\circ}$.
A student says that $\triangle ABC \cong \triangle PQR$ by AAA congruence criterion. Is he justified?
Question 19 :
When we write $\angle A$ = $\angle B$, we actually mean ___________.
Question 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c963f59b460d7261e997.png' />
In the above image, $DA \perp AB$, $CB \perp AB$ and AC = BD. Which of the following statements is meaningful?