Question 1 :
If $ \triangle DEF \cong \triangle BCA$, write the part of $ \triangle BCA$ that correspond to $\angle F$ is
Question 2 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c93af59b460d7261e960.png' />
In the above figure, PS is the bisector of ∠P and PQ = PR. Then ∆PRS and ∆PQS are congruent by the criterion
Question 3 :
If ΔDEF $\cong$ ΔBCA, write the part of ΔBCA that correspond to $\overline{DF}$ is _____.
Question 4 : <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 5 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca31f59b460d7261eaa5.png' />
From the above image, find the value of the unknown interior angle x.
Question 6 :
PQR is a triangle, right-angled at P. If PQ = 10 cm and PR = 24 cm, find QR.
Question 7 :
In a squared sheet, draw two triangles of equal areas such that the triangles are congruent. What can you say about their perimeters?
Question 8 :
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, $\angle A = 90^{\circ}$, AC = 5 cm, BC = 9 cm
In triangle PQR, $\angle Q= 90^{\circ}$, PR = 8 cm, PQ = 5 cm
Question 9 :
The three angles of a triangle are in the ratio 1:2:1. Find all the angles of the triangle.
Question 10 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c958f59b460d7261e989.png' />
In the above image, AB = AC and AD is the bisector of $ \angle BAC$. Is $ \triangle ADB \cong \triangle ADC$?
Question 11 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca39f59b460d7261eab0.png' />
From the above image, find the values of the unknowns x and y.
Question 12 :
Is it possible to have a triangle with 3 cm, 6 cm, 7 cm?
Question 13 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c94ff59b460d7261e97d.png' />
In the above image, AD = CD and AB = CB. State the pairs of equal parts in $ \triangle ABD$ and $ \triangle CBD$.
Question 14 : <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 15 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca0bf59b460d7261ea6f.png' />
Look at the above image and tell what type of triangle is it according to its sides.
Question 16 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c96af59b460d7261e99f.png' />
ABC is an isosceles triangle with AB = AC and AD is one of its altitudes (See the above image). State the pairs of equal parts in $\triangle ADB$ and $\triangle ADC$.
Question 17 :
Is it possible to have a triangle with the sides 2 cm, 3 cm, 5 cm?
Question 18 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca2bf59b460d7261ea9d.png' />
From the above image, find the value of the unknown exterior angle x.
Question 19 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca75f59b460d7261eaff.png' />
In the above image, EB = DB, AE = BC, $\angle A=\angle C=90^{\circ }$, So, $ΔABE \cong ΔCDB$. Which congruence criterion do we use in the above congruency ?
Question 20 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb1bf59b460d7261ebd8.png' />
In the above figure, AM is a median of a triangle ABC. Is AB + BC+ CA > 2AM?
Question 21 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca25f59b460d7261ea94.png' />
From the above image, in triangle PQR, D is the mid-point of QR . $\overline{PM}$ is _________________.
Question 22 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca32f59b460d7261eaa7.png' />
From the above image, find the value of the unknown x.
Question 23 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb1af59b460d7261ebd7.png' />
In the above figure, find the value of the unknown x.
Question 24 :
State whether the statements are True or False. Sum of any two sides of a triangle is not less than the third side.
Question 25 : <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?
