This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 6 Triangles – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 6 Triangles Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The sum of lengths of any two sides of a triangle is greater than the length of third side. This property is called ..... A) Angle sum property of a triangle. B) Exterior angle property. C) Triangular inequality. D) All of above. Show Answer Correct Answer: C) Triangular inequality. 2. The mathematician who proposed basic proportionality theorem A) Pythagoras. B) Thales. C) Euclid. D) Aryabhatta. Show Answer Correct Answer: B) Thales. 3. If triangles ABC and DEF are similar and AB=4 cm, DE=6 cm, EF=9 cm and FD=12 cm, the perimeter of triangle is: A) 22 cm. B) 20 cm. C) 21 cm. D) 18 cm. Show Answer Correct Answer: D) 18 cm. 4. In a right triangle, the longest side is: A) Perpendicular. B) Hypotenuse. C) Base. D) None of the above. Show Answer Correct Answer: B) Hypotenuse. 5. Refer figWhat is the distance of point A from point G? A) 2/3 AF. B) 3/2 AF. C) AF/3. D) AF/2. Show Answer Correct Answer: A) 2/3 AF. 6. A triangle has ..... vertices. A) 3. B) 4. C) 5. D) 1. Show Answer Correct Answer: A) 3. 7. The altitude of an equilateral triangle of side 8 cm is ..... A) 2 $\sqrt{3}$. B) 4 $\sqrt{3}$. C) 2.5 cm. D) 4m. Show Answer Correct Answer: B) 4 $\sqrt{3}$. 8. In congruent triangles ABC and PQR, AB = 5cm, BC = 4cm, angle B = 30$^\circ$, PQ = 5cm, QR = 4cm and angle Q = 30$^\circ$. By which congruence rule, the triangles are congruent? A) SSS. B) ASA. C) SAS. D) None of these. Show Answer Correct Answer: C) SAS. 9. A triangle has angle measurements of 163$^\circ$, 2$^\circ$, and 15$^\circ$. What kind of triangle is it? A) Acute triangle. B) Right triangle. C) Obtuse triangle. D) None of the above. Show Answer Correct Answer: C) Obtuse triangle. 10. Charlottehasdrawnatrianglewithanglesof60$^\circ$, 60$^\circ$and60$^\circ$. Whattypeoftrianglehasshedrawn? A) Isosceles. B) Right-angled. C) Scalene. D) Equilateral. Show Answer Correct Answer: D) Equilateral. 11. If in two triangles ABC and PQR, AB/QR = BC/PR = CA/PQ, then A) $\Delta$PQR ~ $\Delta$CAB. B) $\Delta$PQR ~ $\Delta$ABC. C) $\Delta$CBA ~ $\Delta$PQR. D) $\Delta$BCA ~ $\Delta$PQR. Show Answer Correct Answer: A) $\Delta$PQR ~ $\Delta$CAB. 12. In a right-angled triangle, the angles other than the right angle are. A) Obtuse angle. B) Acute angle. C) Right angle. D) Straight angle. Show Answer Correct Answer: B) Acute angle. 13. To find the area of a triangle, the base and height must form ..... lines. A) Parallel. B) Perfect. C) Pointed. D) Perpendicular. Show Answer Correct Answer: D) Perpendicular. 14. A median of a triangle joins a vertex to: A) Midpoint of opposite side. B) Any point. C) Any vertex. D) Angle bisector. Show Answer Correct Answer: A) Midpoint of opposite side. 15. Do the following lengths form a triangle3 inches4 inches5 inches A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 16. Which of the following can be sides of a triangle A) 11 Cm, 8 cm, 3 cm. B) 2 cm, 7 cm, 4 cm. C) 6 cm, 8 cm, 11 cm. D) 9 cm, 10 cm, 15 cm. Show Answer Correct Answer: D) 9 cm, 10 cm, 15 cm. 17. The length of the hypotenuse of a right-angle triangle whose measure of two sides are 12 cm and 0.35 m is A) 37 cm. B) 3.72 cm. C) 0.372 cm. D) 37 m. Show Answer Correct Answer: A) 37 cm. 18. An isosceles triangle has how many congruent sides? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 19. The measure of each angle of an acute triangle must be- A) Equal 90$^\circ$. B) Less than 90$^\circ$. C) Total 360$^\circ$. D) More than 90$^\circ$. Show Answer Correct Answer: B) Less than 90$^\circ$. 20. Two angles whose sum of angle measures equals 90 degrees A) Adjacent Angles. B) Complementary Angles. C) Congruent Angles. D) Supplementary Angles. Show Answer Correct Answer: B) Complementary Angles. 21. The length of hypotenuse of an isosceles right triangle whose one side is 4 $\sqrt{2}$ A) 12cm. B) 8cm. C) 8 $\sqrt{2}$. D) 12 $\sqrt{2}$. Show Answer Correct Answer: B) 8cm. 22. Charlottehasdrawnatrianglewithanglesof60$^\circ$, 60$^\circ$and60$^\circ$.Whattypeoftrianglehasshedrawn? A) Isosceles. B) Right. C) Scalene. D) Equilateral. Show Answer Correct Answer: D) Equilateral. 23. In the figure, PQ is parallel to MN. If KP/ PM = 4 /13 and KN = 20.4 cm then KQ will be A) 4.8 cm. B) 4.1 cm. C) 5.2 cm. D) 5.4 cm. Show Answer Correct Answer: A) 4.8 cm. 24. Do the following lengths form a triangle4 inches3 inches8 inches A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 25. The hypotenuse of a triangle is ..... A) Invisible. B) A myth. C) The side opposite the right angle in a right triangle. D) None of the above. Show Answer Correct Answer: C) The side opposite the right angle in a right triangle. ← PreviousNext →Related QuizzesClass 10 Maths Chapter 6 Triangles Quiz 1Class 10 Maths Chapter 6 Triangles Quiz 2Class 10 Maths Chapter 6 Triangles Quiz 3Class 10 Maths Chapter 6 Triangles Quiz 4Class 10 Maths Chapter 6 Triangles Quiz 5Class 10 Maths Chapter 6 Triangles Quiz 6Class 10 Maths Chapter 6 Triangles Quiz 7Class 10 Maths Chapter 6 Triangles Quiz 8Class 10 Maths Chapter 6 Triangles Quiz 10Class 10 Maths Chapter 6 Triangles Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books