Quiz about Triangles

Question 1

If $$	riangle A B C \sim 	riangle E D F$$ and $$	riangle A B C$$ is not similar to $$\Delta D E F$$, then which of the following is not true?

Accepted Answer

Covalent bond

Answer

$$B C 	imes D E=A B 	imes F D$$

Answer

$$B C 	imes E F=A C 	imes F D$$

Answer

$$A B 	imes E F=A C 	imes D E$$

Answer

$$B C 	imes D E=A B 	imes E F$$

Question 2

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 3

If in two triangles $$DEF$$ and $$P Q R, \angle D=\angle Q$$ and $$\angle R=\angle E,$$ then which of the following is not tue?

Accepted Answer

Covalent bond

Answer

$$\frac{D E}{P Q}=\frac{F E}{R P}$$

Answer

$$\frac{E F}{P R}=\frac{D F}{P Q}$$

Answer

$$\frac{D E}{Q R}=\frac{D F}{P Q}$$

Answer

$$\frac{E F}{R P}=\frac{D E}{Q R}$$

Question 4

It is given that $$	riangle A B C \sim 	riangle D F E,$$
$$\angle A=30^{\circ}, \angle C=50^{\circ}$$
$$A B=5 {~cm}, A C=8 {~cm}$$ and $$D F=7.5 {~cm} .$$
Then, which of the following is true

Accepted Answer

Covalent bond

Answer

$$D E=12 {~cm}, \angle F=100^{\circ}$$

Answer

$$D E=12 {~cm}, \angle F=50^{\circ}$$

Answer

$$E F=12 {~cm}, \angle D=100^{\circ}$$

Answer

$$E F=12 {~cm}, \angle D=30^{\circ}$$

Question 5

If in triangles $$A B C$$ and $$D E F, $$
$$\frac{A B}{D E}=\frac{B C}{E D}$$ then triangles will be similar, when :

Accepted Answer

Covalent bond

Answer

$$\angle B=\angle D$$

Answer

$$\angle B=\angle E$$

Answer

$$\angle A=\angle D$$

Answer

$$\angle A=\angle F$$

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.