Question 1 :
If ΔDEF $\cong$ ΔBCA, write the part of ΔBCA that correspond to $\overline{EF}$ is _____.
Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca19f59b460d7261ea83.png' />
From the above image, find angle x.
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c978f59b460d7261e9ae.png' />
If $\triangle ABC$ and $\triangle PQR$ are to be congruent, name one additional pair of corresponding parts.
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb19f59b460d7261ebd6.png' />
In the above figure, find the value of the unknown exterior angle x.
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c956f59b460d7261e986.png' />
From the above image,AB = AC and D is the mid-point of $\overline {BC}$.Is $ \angle B = \angle C$ ?
Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb1ff59b460d7261ebdd.png' />
In the above figure, find the value of the unknown interior angle x.
Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca0af59b460d7261ea6e.png' />
Look at the above image and tell what type of triangle is it according to its sides.
Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c977f59b460d7261e9ad.png' />
From the above image is $\triangle QRS \cong \triangle TPQ $?
Question 10 :
In which of the following traingle the two altitudes of the triangle are two of its sides?
Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c931f59b460d7261e953.png' />
In the above figure, Observe and state the three pairs of equal parts in triangles ABC and DBC.Is AB = DC?
Question 12 :
When we write $\angle A=\angle B$, we can actually mean _____.
Question 13 :
Is there a triangle whose sides have lengths 10.2 cm, 5.8 cm and 4.5 cm?
Question 14 :
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 15 :
Can the exterior angle of a triangle be a straight angle?