Hi students, Welcome to **AMBiPi (Amans Maths Blogs)**. In this article, you will get * Similar Triangles Class 10 MCQ Maths with Answer Keys Solutions PDF Download*. You can download this PDF and save it in your mobile device or laptop etc.

**Triangles MCQ Questions for Class 10 Question No 11:**

In figure below, ∠BAC = 90 degree and AD ⟂ BC. Then,

**Option A** : BC.CD = BC^{2}

**Option B** : AB.BC = BC^{2}

**Option C** : BC.CD = AD^{2}

**Option D** : AB.AC = AD^{2}

**Show/Hide Answer Key**

**Option C : BC.CD = AD ^{2}**

**Similar Triangles MCQ Questions for Class 10 Question No 12:**

The lengths of the diagonals of a rhombus are 16 cm and 12 cm. Then, the lengths of the side of the rhombus is

**Option A** : 9 cm

**Option B** : 10 cm

**Option C** : 8 cm

**Option D** : 20 cm

**Show/Hide Answer Key**

**Option B : 10 cm**

**Triangles MCQ Questions for Class 10 Question No 13:**

If ∆ABC ~ ∆EDF and ∆ABC is not similar to ∆DEF, then which of the following is NOT true?

**Option A** : BC.EF = AC.FD

**Option B** : AB.EF = AC.DE

**Option C** : BC.DE = AB.EF

**Option D** : BC.CE = AB.FD

**Show/Hide Answer Key**

**Option C : BC.DE = AB.EF**

**Similar Triangles MCQ Questions for Class 10 Question No 14:**

If in two triangles ∆ABC and ∆PQR, AB/QR = BC/PR = CA/PQ, then

**Option A** : ∆PQR ~ ∆CAB

**Option B** : ∆PQR ~ ∆ABC

**Option C** : ∆CBA ~ ∆PQR

**Option D** : ∆BCA ~ ∆PQR

**Show/Hide Answer Key**

**Option A : ∆PQR ~ ∆CAB**

**Triangles MCQ Questions for Class 10 Question No 15:**

In figure below, two lines segments AC and BD intersect each other at the point P such that PA = 6 cm, PB = 3 cm, PC = 2.5 cm, PD = 5 cm, ∠APB = 50 degrees, ∠CDP = 30 degrees. Then, ∠PBA is equal to

**Option A** : 50 degrees

**Option B** : 30 degrees

**Option C** : 60 degrees

**Option D** : 100 degrees

**Show/Hide Answer Key**

**Option D : 100 degrees**

**Similar Triangles MCQ Questions for Class 10 Question No 16:**

If in two triangles ∆DEF and ∆PQR, ∠D = ∠Q and ∠R = ∠E, then which of the following is NOT true?

**Option A** : EF/PR = DF/PQ

**Option B** : DE/PQ = PF/RP

**Option C** : DE/QR = DF/PQ

**Option D** : EF/RP = DE/QR

**Show/Hide Answer Key**

**Option B : DE/PQ = PF/RP**

**Triangles MCQ Questions for Class 10 Question No 17:**

In triangles ABC and DEF, ∠B = ∠E and ∠F = ∠C and AB = 3DE, then the two triangles are

**Option A** : congruent but not similar

**Option B** : similar but not congruent

**Option C** : neither similar nor congruent

**Option D** : congruent as well as similar

**Show/Hide Answer Key**

**Option B : similar but not congruent**

**Similar Triangles MCQ Questions for Class 10 Question No 18:**

If ∆ABC ~ ∆PQR with BC/QR = 1/3. Then, ar(∆PRQ)/ar(∆BCA) is equal to

**Option A** : 9

**Option B** : 3

**Option C** : 1/3

**Option D** : 1/9

**Show/Hide Answer Key**

**Option A : 9**

**Similar Triangles MCQ Questions for Class 10 Question No 19:**

In ∆ABC ~ ∆DEF, ∠A = 30 degrees, ∠C = 50 degrees, AB = 5 cm and AC = 8 cm and DF = 7.5 cm, Then, which of the following is true?

**Option A** : DE = 12 cm, ∠F = 50 degrees

**Option B** : DE = 12 cm, ∠F = 100 degrees

**Option C** : EF = 12 cm, ∠D = 100 degrees

**Option D** : EF = 12 cm, ∠D = 30 degrees

**Show/Hide Answer Key**

**Option B : DE = 12 cm, ∠F = 100 degrees**

**Triangles MCQ Questions for Class 10 Question No 20:**

If in ∆ABC and ∆DEF, AB/DE = BC/FD, then they will be similar. When,

**Option A** : ∠B = ∠E

**Option B** : ∠A = ∠D

**Option C** : ∠B = ∠D

**Option D** : ∠A = ∠F

**Show/Hide Answer Key**

**Option C : ∠B = ∠D**