Quiz about Triangles

Question 1

If in two triangles ABC and PQR, $$\frac{A B}{Q R}=\frac{B C}{P R}=\frac{C A}{P Q}$$
then

Accepted Answer

Covalent bond

Answer

$$	riangle P Q R \sim 	riangle C A B$$

Answer

$$	riangle P Q R \sim 	riangle A B C$$

Answer

$$	riangle C B A \sim 	riangle P Q R$$

Answer

$$	riangle B C A \sim 	riangle P Q R$$

Question 2

Assertion (A): All regular polygons of the same number of sides such as equilateral triangle, squares etc. are similar.

Reason (R) : Two polygons are said to be similar, if their corresponding angles are equal and lengths of corresponding sides are proportional.

Accepted Answer

Covalent bond

Question 3

Assertion (A): If a line divides any two sides of a triangle in the same ratio, then the line is parallel to third side.

Reason (R): Line segment joining the mid-point of any two sides of a triangle is parallel to the third side.

Accepted Answer

Covalent bond

Question 4

In $$	riangle {ABC}\backsim 	riangle {PQR}$$. If $${AM}$$ and $${PN}$$ are altitudes of $$	riangle {ABC}$$ and $$	riangle {PQR}$$ respectively and $${AB}^2: {PQ}^2=4: 9$$, then $${AM}: {PN}=$$

Accepted Answer

Covalent bond

Answer

$$2: 3$$

Answer

$$3: 2$$

Answer

$$16: 81$$

Answer

$$4: 9$$

Question 5

In the given figure, $${DE} \|| {BC}, {AE}=$$ a units, $${EC}={b}$$ units, $${DE}={x}$$ units and $${BC}={y}$$ units. Which of the following is true?
![](http://admin.getprephub.com/media/editor/sq9_20220929190203366191.png)

Accepted Answer

Covalent bond

Answer

$${x}=\frac{a y}{a+b}$$

Answer

$${x}=\frac{a+b}{a y}$$

Answer

$$y=\frac{a x}{a+b}$$

Answer

$$\frac{x}{y}=\frac{a}{b}$$

Triangles Cbse Class 10 Maths Problems and Solutions

Many students find Triangles for Cbse Class 10 particularly challenging. Strengthen your concepts and gain confidence for your exams by solving free questions for Triangles from for Cbse Class 10 preparation.