Check the below NCERT MCQ Questions for Class 10 Maths Chapter 6 Triangles with Answers Pdf free download. MCQ Questions for Class 10 Maths with Answers were prepared based on the latest exam pattern. We have provided Triangles Class 10 Maths MCQs Questions with Answers to help students understand the concept very well.
Students can also refer to NCERT Solutions for Class 10 Maths Chapter 6 Triangles for better exam preparation and score more marks.
Class 10 Maths Chapter 6 MCQ With Answers
Maths Class 10 Chapter 6 MCQs On Triangles
Question 1.
In the given figure, ∠T and ∠B are right angles. If the length of AT, BC and AS (in centimeters) are 15, 16, and 17 respectively, then the length of TC (in centimeters) is:
(a) 18
(b) 16
(c) 19
(d) 12
Answer
Answer: (c) 19
Question 2.
In the given figure, value of x(in cm) is
(a) 4
(b) 5
(c) 6
(d) 8
Answer
Answer: (b) 5
Triangles Class 9 Practice Set 3.1 solved problems are more helpful to your preparation.
Question 3.
In the given figure ΔABC ~ ΔPQR. The value of x is
(a) 2.5 cm
(b) 3.5 cm
(c) 2.75 cm
(d) 3 cm
Answer
Answer: (d) 3 cm
Question 4.
In ΔABC, if DE || BC, AD = x, DB = x – 2, AE = x + 2 and EC = x – 1, then value of x is
(a) 3
(b) 4
(c) 5
(d) 3.5
Answer
Answer: (b) 4
Question 5.
The perimeters of two similar triangles ABC and PQR are 60 cm and 36 cm respectively. If PQ = 9 cm, then AB equals
(a) 6 cm
(b) 10 cm
(c) 15 cm
(d) 24 cm
Answer
Answer: (c) 15 cm
Question 6.
If ΔABC is similar to ΔDEF such that 2 AB = DE and BC = 8 cm then EF is equal to.
(a) 12 cm
(b) 4 cm
(c) 16 cm
(d) 8 c
Answer
Answer: (c) 16 cm
Question 7.
In ΔABC, AB = 6 cm and DE || BC such that AE = \(\frac{1}{4}\) AC then the length of AD is
(a) 2 cm
(b) 1.2 cm
(c) 1.5 cm
(d) 4 cm
Answer
Answer: (c) 1.5 cm
Question 8.
In the given figure DE || AC which of the following is true?
(a) x = \(\frac{a+b}{ay}\)
(b) y = \(\frac{ax}{a+b}\)
(c) x = \(\frac{ay}{a+b}\)
(d) \(\frac{x}{y}\) = \(\frac{a}{b}\)
Answer
Answer: (c) x = \(\frac{ay}{a+b}\)
Question 9.
ΔABC ~ ΔDEF. If AB = 4 cm, BC = 3.5 cm, CA = 2.5 cm and DF = 7.5 cm, then the perimeter of ΔDEF is
(a) 10 cm
(b) 14 cm
(c) 30 cm
(d) 25 cm
Answer
Answer: (c) 30 cm
Question 10.
In the figure PQ || BC. If \(\frac{PQ}{BC}\) = \(\frac{2}{5}\) then \(\frac{AP}{PB}\) is
(a) \(\frac{2}{5}\)
(b) \(\frac{2}{3}\)
(c) \(\frac{3}{2}\)
(c) \(\frac{3}{5}\)
Answer
Answer: (b) \(\frac{2}{3}\)
Question 11.
In the given figure, ΔACB ~ ΔAPQ. If AB = 6 cm, BC = 8 cm, and PQ = 4 cm then AQ is equal to
(a) 2 cm
(b) 2.5 cm
(c) 3 cm
(d) 3.5 cm
Answer
Answer: (c) 3 cm
Question 12.
ΔDEF ~ ΔABC. If DE : AB = 2 : 3 and ar ΔDEF is equal to 44 square units then ar (ΔABC) (square unit) is
(a) 99
(b) 120
(c) \(\frac{176}{9}\)
(d) 66
Answer
Answer: (a) 99
Question 13
ΔABC and ΔBDE are two equilateral triangles such that D is the mid point of BC. Ratio of the areas of triangle ΔABC and ΔBDE is.
(a) 2 : 1
(b) 1 : 2
(c) 4 : 1
(d) 1 : 4
Answer
Answer: (c) 4 : 1
Question 14.
If ΔABC ~ ΔPQR, \(\frac{ar ΔABC}{ar ΔPQR}\) = \(\frac{9}{4}\) and AB = 18 cm, then the length of PQ is
(a) 14 cm
(b) 8 cm
(c) 10 cm
(d) 12 cm
Answer
Answer: (d) 12 cm
Question 15.
In the given figure ΔABC ~ ΔPQR, PM is median of ΔPQR. If ar ΔABC = 289 cm², BC = 17 cm, MR = 6.5 cm then the area of ΔPQM is
(a) 169 cm²
(b) 13 cm²
(c) 84.5 cm²
(d) 144.5 cm²
Answer
Answer: (c) 84.5 cm²
Question 16.
If the ratio of the perimeters of two similar triangles is 4 : 25, then the ratio of the areas of the similar triangles is
(a) 16 : 625
(b) 2 : 5
(c) 5 : 2
(d) 625 : 16
Answer
Answer: (a) 16 : 625
Question 17.
In the given figure, PQ = 24 cm, QR = 26 cm ∠PAR = 90°, PA = 6 cm, and AR = 8 cm, the degree measure of ∠QPR is
(a) 90°
(b) 100°
(c) 50°
(d) 45°
Answer
Answer: (a) 90°
Question 18.
In the given figure the value of x is
(a) 4 cm
(b) 5 cm
(c) 8 cm
(d) 3 cm
Answer
Answer: (c) 8 cm
Question 19.
ΔPQR is an equilateral triangle with each side of length 2p. If PS ⊥ QR, then PS is equal to
(a) \(\frac{√3}{2}\)p
(b) 2p
(c) √3p
(d) p
Answer
Answer: (c) √3p
Question 20.
In ΔLMN, ∠L = 50° and ∠N = 60°, If ΔLMN ~ ΔPQR, then find ∠Q
(a) 50°
(b) 70°
(c) 60°
(d) 40°
Answer
Answer: (b) 70°
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