# MCQ on Triangles (Part 1) – Class 10 Mathematics – Chapter 6 (NCERT)

The Chapter 6 of Class 10 Mathematics under NCERT Syllabus is about the Triangles. The Chapter 6 discusses about the Similarity of the Triangles, Criteria for Similarity of Triangles, Areas of Similar Triangles and Pythagoras Theorem. This section consists of Multiple Choice Questions (MCQ) on Triangles which is the Chapter 6 of Class 10 Mathematics.

This is the part 1 of MCQ on Triangles. This part consists of 20 Multiple Choice Question on Triangles and the Similarity of Triangles. There are four options for each questions out of which only one option is correct. Choose the correct answer for each question and click on the submit button for results.

## MCQ on Triangles (Part 1) -  Class 10 Mathematics - Chapter 6 (NCERT)

1.
The line joining the mid points of two sides of a triangle is

2.
In the given figure $P$ and $Q$ are points on the sides $AB$ and $AC$ respectively of $\vartriangle ABC$ such that $AP=3.5cm$, $PB=7cm$, $AQ=3cm$ and $QC=6cm$. If $PQ=4.5cm$, then the value of $BC$ is

3.
"Two quadrilaterals are similar, if their corresponding angles are equal".

4.
If the corresponding sides of two triangles ...................., the two triangles are similar.

5.
If a line divides any two sides of a triangle in the same ratio, then the line is ................. to the third side

6.
In $\vartriangle ABC$, $D$ and $E$ are point on the sides $AB$ and $AC$ respectively, such that $DE||BC$. If $AD=4x-3$, $AE=8x-7$, $BD=3x-1$ and $CE=5x-3$, then the value of $x$ is

7.
The given shapes are mathematically similar. The unknown side $x$ is

8.
Two figures having the same shape but not necessarily the same size are called similar figures

9.
Two sides and the perimeter of one triangle are respectively three times the corresponding sides and the perimeter of the other triangle then the two triangles are similar.

10.

11.
It is given that $\vartriangle ABC~ \vartriangle PQR$ such that $AB=5 cm$, $AC=7 cm$, $QR=15 cm$ and $PQ=12 cm$. The length of the remaining sides of the triangle is

12.
If the corresponding angles of two triangles are proportional, the two triangles are similar

13.
In the following figure, $\frac{PS}{SQ}=\frac{PT}{TR}$ and $\angle PST=\angle PRQ$. Then, $\vartriangle PQR$ is an

14.
If in $\vartriangle LMN$ and $\vartriangle OPQ$, $\frac{LM}{OP}=\frac{MN}{OQ}, then they will be similar when 15. In the given figure of \[\vartriangle ABC$, $DE||AC$. If $DC||AP$, where point $p$ lies on $BC$ produced, then $\frac{BE}{EC}=$

16.
In $\vartriangle PQR$, $ST||QR$, $\frac{PS}{SQ}=\frac{3}{5}$ and $PR=28cm$, then the value of PT is

17.
All ................... trinagles are similar.

18.
If $\vartriangle ABC ~ \vartriangle DEF$, $AB=6.5 cm$, $DE=10.4 cm$ and the perimeter of $\vartriangle ABC=60 cm$, the perimeter of $\vartriangle DEF$ is

19.
In the given figure $DE||BC$. If $AD=x$, $DB=x-2$, $AE=x+2$ and $EC=x-1$, then the value of $x$ is

20.
In the given figure, $DE||BC$. If $AD=3cm$, $DB=4cm$ and $AE=6cm$, then EC is

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