| Class | 10 |
| Chapter | Triangles |
| Subject | Math |
| Category | MCQ |
Class 10 Math Chapter 6 MCQ Question Answer
1. Sides of some triangles are given below. Which of the two triangles are similar?
(i) 6 cm, 8 cm, 12 cm (ii) 5 cm, 7 cm, 9 cm. (iii) 3 cm, 4 cm, 6 cm.
(A) (i) and (ii)
(B) (i) and (iii)
(C) (ii) and (iii)
(D) None of these
Answer
Ans – (B) (i) and (iii)
2. If ratio of the sides of two similar, triangles is 2 : 3, then the ratio of their areas is :
(A) 
(B) 2:3
(C) 4:9
(D) None of these
Answer
Ans – (C) 4:9
3. If areas of two similar triangles are in the ratio 4 : 9, then ratio of their corresponding sides are:
(A) 2 : 3
(B) 16 : 81
(C) 3 : 2
(D) 4 : 9
Answer
Ans – (A) 2 : 3
4. If areas of two similar triangles are in the ratio 9 : 16, then ratio of their corresponding sides are:
(A) 81 : 256
(B) 9 : 16
(C) 3 : 4
(D) √3 : √4
Answer
Ans – (C) 3 : 4
5. If the areas of two similar triangles are 36m² and 121 m² respectively, the ratio of there corresponding sides is:
(A) 11:6
(B) 6:11
(C) 9:11
(D) None of these
Answer
Ans – (B) 6:11
6. If two sides of a right angle triangle are 4 cm and 5 cm, then the hypotenuse of the triangle is of length:
(A) 
cm
(B) 3 cm
(C) 9 cm
(D) None of these
Answer
Ans – (A) cm
7. ΔMNL and ΔQPR are similar triangles. In given figure which similarity criterion is used?
(A) S. S. S.
(B) A. A. A.
(C) S. A. S.
(D) None of these.
Answer
Ans – (C) S. A. S.
8. In the given figure ΔODC ∼ ΔΟΑΒ, ∠ΒΟC = 100°, ∠ODC = 60°, then ∠OAB is equal to:
(A) 20°
(B) 80°
(C) 60°
(D) 40°
Answer
Ans – (D) 40°
9. Which one pair of the triangulars is not similar triangles ?
Answer
Ans – (C)
| Also Read | Class 10 Math NCERT Solution |
| Also Read | Class 10 Important Questions [Latest] |