Given below are the **Class 9 Maths** Important Questions for Constructions

a. Multiple Choice Questions

b. Long answer questions

c. True and False

a. Multiple Choice Questions

b. Long answer questions

c. True and False

2. Construct a triangle XYZ in which <Y = 30°, <Z = 90° and XY + YZ + ZX = 11cm

3. Construct a right triangle whose base is 12 cm and sum of its hypotenuse and other side is 18 cm.

4. Construct a triangle PQR whose perimeter is equal to 14 cm, <P =45° and <Q = 60°.

5. Using ruler and compasses only, construct a ABC from the following data:

AB + BC + CA = 12 cm, <B = 45° and <C = 60°

6. Using ruler and compasses only, construct a ABC given base BC = 7 cm, <ABC = 60° and AB + AC = 12 cm.

7. Construct a right angled triangle whose perimeter is equal to 10 cm and one acute angle equal to 60°.

8. Construct a triangle XYZ in which <Y = 30°, >Z = 90° and XY + YZ + ZX = 11.

9. Construct a ABC with BC = 8cm, <B = 45° and AB – AC = 31cm.

10. Construct a triangle ABC in which BC = 4.7 cm, AB + AC = 82 cm and <C = 60°.

11. Construct a ABC such that BC = 3.2 cm, <B = 45° and AC – AB = 2.1 cm.

12. Construct an isosceles triangle whose two equal sides measures 6 cm each and whose base is 5 cm. Draw the perpendicular bisector of its base and show that it passes through the opposite vertex.

13. To construct a triangle, with perimeter 10 cm and base angles 60 and 45.

15. Construct a ABC in which BC = 4.5 cm, <B = 60° and AB = AC = 7.1 cm.

16. Construct a ABC in which BC = 7.5 cm, <B = 45° and AB – AC = 4 cm.

17. Construct a ABC in which BC = 8.5 cm, AB = 7 cm and median AD = 4.8 cm.

18. Construct a right triangle whose perimeter is 10 cm and one of its acute angle is equal to 60°.

19. Construct a rhombus whose diagonals are 4 cm and 6 cm in length.

20. Construct a rectangle whose adjacent sides are of lengths 5 cm and 3.5 cm.

21. Construct a right triangle whose one side is 8 cm and sum of other sides and hypotenuse is 16 cm.

22. Construct an isosceles triangle LM, whose base MN is 4.5 cm and the sum of the perpendicular from L to MN and LM is 7 cm.

23. Draw a right angled whose hypotenuse is 6 cm and the length of one of whose sides containing the right angle is 4 cm.

24. Construct an equilateral PQR is its altitude is 4 cm.

25. Draw a PQR with base QR = 6 cm and angles in the ratio 3 : 4 : 5.

26. Construct a triangle PQR whose sides are 3.6 cm, 3.0 cm and 4.8 cm. bisect the smallest angle and measure its each part.

27. Draw an angle of 110° with help of a protector and bisect it. Measure angle.

a. An angle of 52.5° can be constructed with the help of a ruler and a compass.

b. An angle of 42.5° can be constructed with the help of a ruler and a compass.

c. A triangle ABC can be constructed in which AB = 5 cm, $\angle A = 45$° and BC + AC = 5 cm.

d. A triangle ABC can be constructed in which BC = 6 cm, $\angle C = 30$° and AC – AB = 4 cm.

e. A triangle ABC can be constructed in which $ \angle B = 105$°, $\angle C = 90$° and AB + BC + AC = 10 cm.

f. A triangle ABC can be constructed in which $\angle B = 60$°, $\angle C = 45$° and AB + BC + AC =12 cm.

(B) 40°

(C) 37.5°

(D) 47.5°

30. The construction of a triangle ABC in which AB = 4 cm, <A = 60° is not possible when difference of BC and AC is equal to: (A) 3.5 cm

(B) 4.5 cm

(C) 3 cm

(D) 2.5 cm

31. The construction of a triangle ABC, given that BC = 6 cm, <B = 45° is not possible when difference of AB and AC is equal to: (A) 6.9 cm

(B) 5.2 cm

(C) 5.0 cm

(D)4.0 cm

Answers

Given below are the links of some of the reference books for class 9 Math.

- Mathematics for Class 9 by R D Sharma One of the best book for studying class 9 level mathematics. It has lot of problems to be solved.
- Secondary School Mathematics for Class 9 by R S Aggarwal This is also as good as R.D. Sharma. Either this or the book by R.D. Sharma will do. I find book R.S. Aggarwal little bit more challenging than the one by R.D. Sharma.
- Pearson IIT Foundation Series - Maths - Class 9 Buy this book if you want to challenge yourself further and want to prepare for JEE foundation.
- Pearson IIT Foundation Physics, Chemistry & Maths combo for Class 9 Only buy if you are prepared to study extra topics and want to take your studies a step further. You might need help to understand topics in these books.

You can use above books for extra knowledge and practicing different questions.

Class 9 Maths Class 9 Science

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