SEBA Class 9 Mathematics MCQ Chapter 7 Triangle Question Answer in English Medium, Class 9 General Maths Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters SEBA Class 9 Mathematics MCQ Chapter 7 Triangle Notes and select need one.
SEBA Class 9 Mathematics MCQ Chapter 7 Triangle
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam SEBA Class 9 Mathematics MCQ Chapter 7 Triangle Solutions for All Subject, You can practice these here.
Triangle
Chapter – 7
| MCQ |
1. If one angle of a triangle is 110° then the angle between the bisectors of the other two angles is
(a) 70°
(c) 175 deg
(b) 145°
(d) 90°
Ans: (b) 145°
2. If Delta PQ R ≅ Delta EFD then ED = MATI
(a) PQ
(b) QR
(c) PR
(d) none of these
Ans: (c) PR
3. Which of the following is not a criterion for congruence of triangles?
(a) SAS
(b) SSA
(c) ASA
(d) SSS
Ans: (b) SSA
4. In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of vertex angle of the triangle is:
(a) 100°
(c) 130 deg
(b) 120°
(d) 140°
Ans: (b) 120°
5. In a triangle ABC, ∠B = 35° and ∠C = 60°, then:
(a) ∠A = 80°
(b) ∠A = 85°
(c) ∠A = 120°
(d) ∠A = 145°
Ans: (b) ∠A = 85°
6. In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are:
(a) Isosceles but not congruent
(b) Isosceles and congruent
(c) Congruent but not isosceles
(d) Neither congruent nor isosceles
Ansr: (a) Isosceles but not congruent
7. In triangles ABC and DEF, AB = FD and ∠A = ∠D. The two triangles will be congruent by SAS axiom if:
(a) BC = EF
(b) AC = DE
(c) AC = EF
(d) BC = DE
Ans:(a) BC = EF
8. If in ΔPQR, PQ = PR then:
(a) ∠P = ∠R
(b) ∠P = ∠Q
(c) ∠Q = ∠R
(d) None of these
Ans: (c) ∠Q = ∠R
9. In triangle PQR if ∠Q = 90°, then:
(a) PQ is the longest side.
(b) QR is the longest side.
(c) PR is the longest side.
(d) None of these.
Ans: (c) PR is the longest side.
10. All the medians of a triangle are equal in case of a:
(a) Scalene triangle.
(b) Right angled triangle.
(c) Equilateral triangle.
(d) Isosceles triangle.
Ans: (c) Equilateral triangle.
11. It is given that Δ ABC ≅ Δ FDE and AB = 5 cm, ∠B = 40° and ∠A = 80°. Then which of the following is true?
(a) DF = 5 cm, ∠F = 60°
(b) DF = 5 cm, ∠E = 60°
(c) DE = 5 cm, ∠E = 60°
(d) DE = 5 cm, ∠D = 40°
Ans: (b) DF = 5 cm, ∠E = 60°
12. The angles of a triangle are in the ratio 2:3:5. The largest angle is:
(a) 30°
(b) 40°
(c) 50°
(d) 60°
Ans: (d) 60°
13. D is a point on the side BC of a ΔABC such that AD bisects ∠BAC. Then:
(a) BD: DC = AB : AC
(b) CD > CA
(c) BD > BA
(d) BA > BD
Ans: (a) BD : DC = AB : AC
14. In ∆PQR, if ∠R > ∠Q, then:
(a) QR > PR
(b) PQ > PR
(c) PQ < PR
(d) QR < PR
Ans: (b) PQ > PR
15. Two sides of a triangle are of length 5 cm and 1.5 cm. The length of the third side of the triangle cannot be:
(a) 3.6 cm
(b) 4.1 cm
(c) 3.8 cm
(d) 6.9 cm
Ans: (d) 6.9 cm
16. In ∆ABC, BC = AB and ∠B = 80°. Then ∠A is equal to:
(a) 80o
(b) 40o
(c) 50o
(d) 100o
Ans: (c) 50o
17. In two triangles DEF and PQR, if DE = QR, EF = PR and FD = PQ, then:
(a) ∆DEF ≅ ∆PQR
(b) ∆FED ≅ ∆PRQ
(c) ∆EDF ≅ ∆RPQ
(d) ∆PQR ≅ ∆EFD
Ans: (b) ∆FED ≅ ∆PRQ
18. Which of the following cannot be the angles of a triangle?
(a) 30°, 60°, 90°
(b) 50°, 60°, 70°
(c) 40°, 50°, 100°
(d) 45°, 45°, 90°
Ans: (c) 40°, 50°, 100°
19. The point where all medians of a triangle meet is called:
(a) Orthocenter
(b) Centroid
(c) Incenter
(d) Circumcenter
Ans: (b) Centroid
20. The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding:
(a) Perimeters.
(b) Altitudes.
(c) Medians.
(d) Angles.
Ans: (b) Altitudes.
