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Maths Triangles Class 10 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 10 · Maths · CBSE

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Chapter 6 Class 10 Triangles | 10 questions | about 8 minutes

Practise Triangles Class 10 with Teachoo's 10 Question MCQ (including Assertion) (Class 10 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
NCERT Exemplar
In triangles ABC and \(\mathrm{DEF}, \angle \mathrm{B}=\angle \mathrm{E}, \angle \mathrm{F}=\angle \mathrm{C}\) and \(\mathrm{AB}=3 \mathrm{DE}\).
Then, the two triangles are
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Question 2 of 10
NCERT Exemplar
It is given that \(\triangle \mathrm{ABC} \sim \triangle \mathrm{DFE}, \angle \mathrm{A}=30^{\circ}, \angle \mathrm{C}=50^{\circ}, \mathrm{AB}=5 \mathrm{~cm}, \mathrm{AC} =8 \mathrm{~cm}\) and \(\mathrm{DF}=7.5 \mathrm{~cm}\). Then, the following is true:
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Question 3 of 10
CBSE Board Exam 2026
In the given figure, \(\mathrm{DE} \| \mathrm{BC}\). If \(\frac{\mathrm{AD}}{\mathrm{DB}}=\frac{1}{3}\) and \(\mathrm{AC}=6 \mathrm{~cm}\), then length AE is
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Question 4 of 10
NCERT Exemplar
It is given that \(\triangle \mathrm{ABC} \sim \triangle \mathrm{PQR}\), with \(\frac{\mathrm{BC}}{\mathrm{QR}}=\frac{1}{3}\). Then, \(\frac{\operatorname{ar}(P R Q)}{\operatorname{ar}(B C A)}\) is equal to
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Question 5 of 10
CBSE Board Exam 2025
If in two triangles \(\triangle \mathrm{DEF}\) and \(\triangle \mathrm{PQR}, \angle \mathrm{D}=\angle \mathrm{Q}\) and \(\angle \mathrm{R}=\angle \mathrm{E}\), then which of the following is not true?
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Question 6 of 10
CBSE Board Exam 2026
From the figures given below, which of the following is true about the measure of \(\angle \mathrm{P}\) ?
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Question 7 of 10
NCERT Exemplar
If in Fig 6.1, O is the point of intersection of two chords AB and \(C D\) such that \(O B=O D\), then triangles \(O A C\) and \(O D B\) are
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Question 8 of 10
NCERT Exemplar
If \(\triangle \mathrm{ABC} \sim \triangle \mathrm{QRP}, \frac{\operatorname{ar}(\mathrm{ABC})}{\operatorname{ar}(\mathrm{PQR})}=\frac{9}{4}, \mathrm{AB}=18 \mathrm{~cm}\) and \(\mathrm{BC}=15 \mathrm{~cm}\), then PR is equal to
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Question 9 of 10
NCERT Exemplar
If in triangles \(A B C\) and \(D E F, \frac{A B}{D E}=\frac{B C}{F D}\), then they will be similar, when
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Question 10 of 10
CBSE Board Exam 2026
It is given that \(\triangle \mathrm{ABC} \sim \triangle \mathrm{QRP}\) such that \(\mathrm{AB}=9 \mathrm{~cm}, \mathrm{BC}=5 \mathrm{~cm}\) and \(\mathrm{PR}=2 \mathrm{~cm}\). Length of side QR is :
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This 10 Question MCQ (including Assertion) covers Triangles Class 10 for Class 10 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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