Question 1 :
Given below are measurements of some parts of two triangles. Examine whether the two triangles are congruent or not, using RHS congruence rule.
In triangle ABC, $\angle B = 90^{\circ}$, AC = 8 cm, AB = 3 cm
In triangle PQR,$\angle P = 90^{\circ}$, PR = 3 cm, QR = 8 cm
Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca2bf59b460d7261ea9c.png' />
From the above image, find the value of the unknown exterior angle x .
Question 3 :
<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 4 :
The line segment joining a vertex of a triangle to the mid-point of its opposite side is called its __________.
Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1a9d78c526e972caefd8.png' />
In the above image, ray AZ bisects $\angle DAB$ as well as $\angle DCB$. State the pairs of equal parts in triangles BAC and DAC.
Question 7 :
The two interior opposite angles of an exterior angle of a triangle are $60^{\circ}$ and $80^{\circ}$. Find the measure of the exterior angle.
Question 8 :
<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 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c955f59b460d7261e984.png' />
From the above image, AB = AC and D is the mid-point of $\overline {BC}$.State the pair(s) of equal parts in $ \triangle ADB$ and $\triangle ADC$.
Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca34f59b460d7261eaa9.png' />
From the above image, find the value of the unknown x .