MCQ Questions for Class 10 Maths Triangles with Answers
MCQ Questions for Class 10 Maths Triangles with Answers
Free PDF Download of CBSE Class 10 Maths Chapter 6 Triangles Multiple Choice Questions with Answers. MCQ Questions for Class 10 Maths with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Maths Triangles MCQs with Answers to know their preparation level.
Class 10 Maths MCQs Chapter 6 Triangles
1. O is a point on side PQ of a APQR such that PO = QO = RO, then
(a) RS² = PR × QR
(b) PR² + QR² = PQ²
(c) QR² = QO² + RO²
(d) PO² + RO² = PR²
Answer
Answer: b
2. In ABC, DE || AB. If CD = 3 cm, EC = 4 cm, BE = 6 cm, then DA is equal to
(a) 7.5 cm
(b) 3 cm
(c) 4.5 cm
(d) 6 cm
Answer
Answer: c
3. AABC is an equilateral A of side a. Its area will be…
Answer
Answer: a
4. In a square of side 10 cm, its diagonal = …
(a) 15 cm
(b) 10√2 cm
(c) 20 cm
(d) 12 cm
Answer
Answer: b
5. In a rectangle Length = 8 cm, Breadth = 6 cm. Then its diagonal = …
(a) 9 cm
(b) 14 cm
(c) 10 cm
(d) 12 cm
Answer
Answer: c
6. In a rhombus if d1 = 16 cm, d2 = 12 cm, its area will be…
(a) 16 × 12 cm²
(b) 96 cm²
(c) 8 × 6 cm²
(d) 144 cm²
Answer
Answer: b
7. In a rhombus if d1 = 16 cm, d2 = 12 cm, then the length of the side of the rhombus is
(a) 8 cm
(b) 9 cm
(c) 10 cm
(d) 12 cm
Answer
Answer: c
8. If in two As ABC and DEF,
, then
(a) ∆ABC ~ ∆DEF
(b) ∆ABC ~ ∆EDF
(c) ∆ABC ~ ∆EFD
(d) ∆ABC ~ ∆DFE
Answer
Answer: d
9. It is given that ∆ABC ~ ∆DEF and
. Then
is equal to
(а) 5
(b) 25
(c)
(d)
Answer
Answer: b
11. D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 2 cm, BD = 3 cm, BC = 7.5 cm and DE || BC. Then, length of DE (in cm) is
(a) 2.5
(b) 3
(c) 5
(d) 6
Answer
Answer: b
12. If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?
(a) BC.EF = AC.FD
(b) AB.ED = AC.DE
(c) BC.DE = AB.EE
(d) BC.DE = AB.FD
Answer
Answer: c
13. If in two triangles DEF and PQR, ZD = ZQ and ZR = ZE, then which of the following is not true?
Answer
Answer: b
14. If ΔABC ~ ΔPQR,
then
is
(a) 9
(b) 3
(c) 1/3
(d) 1/9
Answer
Answer: a
15. If ΔABC ~ ΔQRP,
, AB = 18 cm and BC = 15 cm, then PR is equal to
(a) 10 cm
(b) 12 cm
(c)
cm
(d) 8 cm
Answer
Answer: a
16. If in triangles ABC and DEF,
, then they will be similar, if
(a) ∠B = ∠E
(b) ∠A = ∠D
(c) ∠B = ∠D
(d) ∠A = ∠F
Answer
Answer: c
17. In the given figure,
and ∠ADC = 70° ∠BAC =
(a) 70°
(b) 50°
(c) 80°
(d) 60°
Answer/Explanation
Answer: d
Explaination:
∵ DE || BC
∴ ∠ABC = 70°.
(Corresponding angles) Using angle sum property of triangle ∠ABC + ∠BCA + ∠BAC = 180° ∠BCA = 60°.
18. In given figure, AD = 3 cm, AE = 5 cm, BD = 4 cm, CE = 4 cm, CF = 2 cm, BF = 2.5 cm, then
(a) DE || BC
(b) DF || AC
(c) EF || AB
(d) none of these
Answer/Explanation
Answer: c
Explaination:
19. If ΔABC ~ ΔEDF and ΔABC is not similar to ΔDEF, then which of the following is not true? [NCERT Exemplar Problems]
(a) BC . EF = AC . FD
(b) AB . EF = AC . DE
(c) BC . DE = AB . EF
(d) BC . DE = AB . FD
Answer/Explanation
Answer: c
Explaination:
20. If in two triangles ABC and PQR,
, then [NCERT Exemplar Problems]
(a) ΔPQR ~ ΔCAB
(b) ΔPQR ~ ΔABC
(c) ΔCBA ~ ΔPQR
(d) ΔBCA ~ ΔPQR
Answer/Explanation
Answer: a
Explaination:
21. Match the column:
(a) 1 → A, 2 → B, 3 → C, 4→ D
(b) 1 → D, 2 → A, 3 → C, 4 → B
(c) 1 → B, 2 → A, 3 → C, 4 → D
(d) 1 → C, 2 → B, 3 → D, 4 → A.
Answer/Explanation
Answer: c
Explaination:
(c) Properties of triangles
22. In triangles ABC and DEF, ∠B = ∠E, ∠F = ∠C and AB = 3DE. Then, the two triangles are [NCERT Exemplar Problems]
(a) congruent but not similar
(b) similar but not congruent
(c) neither congruent nor similar
(d) congruent as well as similar
Answer/Explanation
Answer: b
Explaination: (b) Similar but not congruent
28. "If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio." This theorem is known as _____ .
Answer/Explanation
Answer:
Explaination:
Thales Theorem or Basic Proportionality Theorem