Students are advised to solve the Class 9 Maths MCQ Questions of Constructions with Answers to know different concepts. Students can access the Class 9 Maths MCQ Questions of Constructions with Answers aids in your exam preparation and you can get a good hold of the chapter.
Practicing the MCQ Questions with answers will boost your confidence thereby helping you score well in the exam. Clear all the fundamentals and prepare thoroughly for the exam taking help from Class 9 Maths Constructions Objective Questions.
Practice MCQ Questions for Class 9 Maths
1. Two radii of the same circle are always:
(a) may inchired at any angle
(b) parallel
(c) parallel and may inchired at any angle
(d) perpendicular
2. If two circles touches internally then distance between their centres is equal to
(a) sum of radii
(b) difference of radii
(c) not possible to determine
(d) none
3. The point of occurrence of three angle bisectors of a triangle is called
(a) Incentre
(b) Circumcentre
(c) Orthocentre
(d) Centroid
4. The bisector of an angle lies in its
(a) Interior
(b) Exterior
(c) Anywhere in the plane
(d) On the arms of the angle
5. The internal and external bisectors of an angle forms
(a) Acute angle
(b) Right angle
(c) Obtuse angle
(d) Straight angle
6. The side length of 5 cm, 3 cm, and 5 cm can be the sides of
(a) Scalene triangle
(b) Isosceles triangle
(c) Equilateral triangle
(d) None of the above
7. The side length of 2 cm, 3 cm, and 4 cm can be the sides of
(a) Scalene triangle
(b) Isosceles triangle
(c) Equilateral triangle
(d) None of the above
8. To construct a bisector of a given angle, we need:
(a) A ruler
(b) A compass
(c) A protractor
(d) Both ruler and compass
9. If we want to construct a triangle, given its perimeter, then we need to know:
(a) Sum of two sides of triangle
(b) Difference between two sides of triangle
(c) One base angles
(d) Two base angles
10. The construction of a triangle ABC, given that BC = 6 cm, ∠B = 45° is not possible when the difference of AB and AC is equal to:
(a) 4 cm
(b) 5 cm
(c) 5.2 cm
(d) 6.9 cm
11. A triangle ABC with AB = 4 cm and ∠A= 60° and ∠B= 40° is constructed. Then what is the measurement of ∠C?
(a) 40°
(b) 60°
(c) 80°
(d) 100°
12. The construction of a triangle ABC in which AB = 4 cm, ∠A = 60° is not possible when the difference of BC and AC is equal to
(a) 2.5 cm
(b) 3 cm
(c) 3.5 cm
(d) 4.5 cm
13. With the help of a ruler and a compass it is not possible to construct an angle of
(a) 22.5°
(b) 37.5°
(c) 40°
(d) 67.5°
14. An angle whose measure is more than 180° and less than 360° is called a
(a) Reflex angle
(b) Acute angle
(c) Straight angle
(d) Complete angle
15. If a, b and c are the lengths of three sides of a triangle, then:
(a) a+b>c
(b) a-b>c
(c) a+b=c
(d) a-b=c
16. With the help of a ruler and a compass, it is possible to construct an angle of
(a) 35°
(b) 37.5°
(c) 40°
(d) 47.5°
17. Which of these angles cannot be constructed using a ruler and compasses?
(a) 120°
(b) 60°
(c) 140°
(d) 135°
18. To construct an angle of 60 degrees, we need to draw first:
(a) A ray
(b) An arc
(c) Two rays
(d) A straight line
19. The side lengths 4cm, 4cm and 4cm can be sides of:
(a) Scalene Triangle
(b) Isosceles Triangle
(c) Equilateral Triangle
(d) None of the above
20. Which of these angles we cannot construct it using a ruler and compasses?
(a) 120°
(b) 70°
(c) 60°
(d) All can be constructed