Multiple Choice Questions - Set - 4
Question 1:
The diagonals of a rhombus are 16cm and 12cm, in length. The side of rhombus in length is:
(a)20cm
(b)8cm
(c)10cm
(d)9cm
Correct Answer – (C)
Question 2 :
In trapezium ABCD a line EF cuts the diagonal AC in O such that AOOC = 23 and EF is parallel to BC.In what ratio does EF cut AB and CD?
(a) 1:2
(b) 3:4
(c) 2:3
(d) 1:4
Correct Answer – (C)
Question 3 :
Triangle ABC is similar to triangle DEF and their areas are 64 cm2 and 121 cm2 respectively. If EF = 15.4 cm, then BC = ?
(a) 11.2 cm
(b) 8 cm
(c) 11 cm
(d) 13 cm
Correct Answer – (A)
Question 4 :
D and E are the midpoints of side AB and AC of a triangle ABC, respectively and BC=6cm. If DE || BC, then the length of DE is:
(a)2.5
(b)3
(c)5
(d)6
Correct Answer – (B)
Question 5 :
Two poles stand on the ground at a distance of 20m and 50 m respectively from a point A on the ground, the taller pole at 30 m from smaller pole. A cable originates from the top pf the taller pole, passing on the other pole ends on a hook at point A. If the length of the cable is 100 m , how much of it lies between the the two poles?
(a) 50m
(b) 40 m
(c) 60 m
(d) 80 m
Correct Answer – (C)
Question 6 :
Two congruent triangles are actually similar triangles with the ratio of corresponding sides as.
(a) 1:2
(b) 1:1
(c) 1:3
(d) 2:
Correct Answer – (A)
Question 7 :
Area of an equilateral triangle with side length a is equal to:
(a)√3/2a
(b)√3/2a2
(c)√3/4 a2
(d)√3/4 a
Correct Answer – (C)
Question 8 :
In triangle ABC, if AB = 6√3 cm, AC = 12 cm and BC cm, then ∠B is
(a) 120°
(b) 60°
(c) 90°
(d) 45°
Correct Answer – (C)
Question 9 :
Corresponding sides of two similar triangles are in the ratio of 2:3. If the area of small triangle is 48 sq.cm, then the area of large triangle is:
(a)230 sq.cm.
(b)106 sq.cm
(c)107 sq.cm.
(d)108 sq.cm
Correct Answer – (D)
Question 10 :
Which of the following triangles have the same side lengths?
(a)Scalene
(b)Isosceles
(c)Equilateral
(d)None of these
Correct Answer – (C)
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.1
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.2
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.3
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.4
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.5
- NCERT Solutions Class 10 Mathematics Triangles : Exercise 6.6
