Question 1 :
Is it possible to have a triangle with 3 cm, 6 cm, 7 cm?
Question 2 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c957f59b460d7261e987.png' />
From the above image, AC = BD and AD = BC. Which of the following statements is meaningfully written?
Question 3 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca37f59b460d7261eaad.png' />
From the above image, find the values of the unknowns x and y.
Question 4 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb1ef59b460d7261ebdc.png' />
In the above figure, take any point O in the interior of a triangle PQR. Is, OP + OQ > PQ?
Question 5 : <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 6 :
Which one of the following is not a criterion for congruence of two triangles?
Question 8 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca7ef59b460d7261eb0c.png' />
In the above image, given that PQ = RS, TQ = QS, PT = RQ. ΔQRS $\cong$ ΔTPQ. Which congruence criterion do we use in the following?
Question 9 : <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 10 :
When two triangles, say ABC and PQR are given, there are, in all, six possible matchings or correspondences. Two of them are (i) ABC ↔ PQR and (ii) ABC ↔ QRP. The other four correspondences are ABC <-> RPQ,CAB <-> PQR,BCA <-> PQR,CBA <-> PQR. Is it true?
Question 11 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca32f59b460d7261eaa6.png' />
From the above image, find the value of the unknown interior angle x .
Question 12 :
$\triangle ABC$ and $\triangle PQR$ are congruent under the correspondence: ABC ↔ RQP. Write the part of $\triangle ABC$ that corresponds to $\overline {PQ}$.
Question 13 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca77f59b460d7261eb02.png' />
In the above image, we want to show that ΔART $\cong$ ΔPEN, if we have to use SSS criterion, then we need to show AT = ____.
Question 14 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c939f59b460d7261e95e.png' />
In the above figure, is ∆ABC ≅ ∆ EOD?
Question 15 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca29f59b460d7261ea9a.png ' />
From the above image , can the median and altitude of an isosceles triangle be same?
Question 16 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca24f59b460d7261ea92.png' />
From the above image, find the unknown length x.
Question 17 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca2ff59b460d7261eaa3.png' />
From the above image, find the value of the unknown interior angle x.
Question 18 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c930f59b460d7261e952.png' />
In the above figure, Observe and state the three pairs of equal parts in triangles ABC and DBC.Is ∆ABC ≅ ∆DCB?
Question 19 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb13f59b460d7261ebcd.png' />
In the above figure, find the value of the unknown interior angle x.
Question 20 : <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 21 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca29f59b460d7261ea99.png' />
From the above image, in triangle XYZ, is YL an altitude in the exterior of the triangle?
Question 22 :
Is the sum of any two angles of a triangle always greater than the third angle?
Question 23 :
Is it possible to have a triangle with the sides 2 cm, 3 cm, 5 cm?
Question 24 :
Is it possible to have a triangle with the sides 6 cm, 3 cm, 2 cm?
Question 25 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1ca10f59b460d7261ea76.png' />
Look at the above image and tell what type of triangle is it according to its angles.
