Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb09f59b460d7261ebc0.png' />
In the above figure, find the value of the unknown interior angle x.
Question 2 :
Can the altitude and median be always same for a triangle?
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca0ff59b460d7261ea75.png' />
Look at the above image and tell what type of triangle is it according to its sides.
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb19f59b460d7261ebd5.png' />
In the above figure, PQR is a triangle and D is the midpoint of $\overleftrightarrow{QR}$. Now, $\overleftrightarrow{PD}$ is ______.
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca30f59b460d7261eaa4.png' />
From the above image, find the value of the unknown interior angle x.
Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb0cf59b460d7261ebc4.png' />
In the above figure, find the value of the unknown x and y.
Question 7 :
A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tree. Find the original height of the tree.
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c955f59b460d7261e985.png' />
From the above image, AB = AC and D is the mid-point of $\overline {BC}$.Is $ \triangle ADB \cong \triangle ADC$?
Question 9 :
An exterior angle of a triangle is of measure $70^{\circ}$ and one of its interior opposite angles is of measure $25^{\circ}$. Find the measure of the other interior opposite angle.
Question 10 :
Among two congruent angles, one has a measure of $70^{\circ}$; the measure of the other angle is ___________.
Question 11 :
Can the exterior angle of a triangle be a straight angle?
Question 12 :
What is the side opposite to the vertex Q of $\Delta $POQ?
Question 13 :
<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 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c96cf59b460d7261e9a1.png' />
ABC is an isosceles triangle with AB = AC and AD is one of its altitudes (See the above image). Is $\angle B = \angle C$?
Question 15 :
For a scalene triangle all the altitudes and medians are different. Is it true?
Question 16 :
Are the exterior angles formed at each vertex of a triangle equal?
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c954f59b460d7261e983.png' />
In the above image, lengths of the sides of the triangles are indicated. By applying the SSS congruence rule, state whether the pair of triangles are congruent or not.
Question 18 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c963f59b460d7261e996.png' />
In the above image, $DA \perp AB$, $CB \perp AB$ and AC = BD. State the pairs of equal parts in $\triangle ABC$ and $\triangle DAB$.
Question 19 :
<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 20 :
<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 $\triangle ADC$.