This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 6 Triangles – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 6 Triangles Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The diagonals of a rhombus are 16 cm and 12 cm, in length. The side of rhombus in length is: A) 20 cm. B) 8 cm. C) 10 cm. D) 9 cm. Show Answer Correct Answer: C) 10 cm. 2. A triangle in which one angle is 120$^\circ$ is: A) Acute. B) Right. C) Obtuse. D) Equilateral. Show Answer Correct Answer: C) Obtuse. 3. In Figure, DE ||BC and given that AE= 1.8cm, CE = 5.4cm. The length of side BD = 7.2cm and AD will be A) 1.6 cm. B) 1.9 cm. C) 2.1cm. D) 2.4 cm. Show Answer Correct Answer: D) 2.4 cm. 4. A triangle in which all the 3 sides are equal is called a/an A) Scalene Triangle. B) Acute-angled triangle. C) Equilateral Triangle. D) Obtuse angles triangle. Show Answer Correct Answer: C) Equilateral Triangle. 5. A triangle with angles 30$^\circ$, 60$^\circ$, 90$^\circ$ is: A) Right-angled and scalene. B) Obtuse. C) Isosceles. D) Scalene only. Show Answer Correct Answer: A) Right-angled and scalene. 6. Which of the following side lengths form a triangle? A) 1, 2, 3. B) 5, 7, 8. C) 6, 6, 14. D) 80, 20, 50. Show Answer Correct Answer: B) 5, 7, 8. 7. A triangle has angle measurements of 26$^\circ$, 59$^\circ$, and 95$^\circ$. 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. 8. Which of the following are not similar figures? A) Circles. B) Squares. C) Equilateral triangles. D) Isosceles triangles. Show Answer Correct Answer: D) Isosceles triangles. 9. Bella has a window in her bedroom shaped like a triangle. Each angle of the triangle measures less than 90 degrees. What kind of triangle is her window? A) Straight. B) Acute. C) Obtuse. D) Right. Show Answer Correct Answer: B) Acute. 10. What is the sum of the measures of the angles of any triangle? A) 90$^\circ$. B) 360$^\circ$. C) 180$^\circ$. D) 45$^\circ$. Show Answer Correct Answer: C) 180$^\circ$. 11. $\Delta$ $\Delta$ $\sim$ $\Delta$ $\Delta$ A) 7.5 cm. B) 15 cm. C) 22.5 cm. D) 30 cm. Show Answer Correct Answer: B) 15 cm. 12. What is the largest mammal in the world? A) Rhinoceros. B) Whale. C) Hippopotamus. D) Elephant. Show Answer Correct Answer: B) Whale. 13. An aeroplane leaves an airport and flies due north at a speed of 1000 km per hour. At the same time, another aeroplane leaves the same airport and flies due west at a speed of 1200 km per hour. How far apart will be the two planes after $1\\frac{1}{2}$ A) $300\sqrt{61}$. B) $30\sqrt{61}$. C) $61\sqrt{30}$. D) $61\sqrt{300}$. Show Answer Correct Answer: A) $300\sqrt{61}$. 14. Two angles in a triangle measure 30$^\circ$ and 105$^\circ$. What is the measure of the third angle in the triangle? A) 45$^\circ$. B) 65$^\circ$. C) 75$^\circ$. D) 105$^\circ$. Show Answer Correct Answer: A) 45$^\circ$. 15. The altitudes of a triangle meet at the: A) Centroid. B) Incentre. C) Orthocentre. D) Circumcentre. Show Answer Correct Answer: C) Orthocentre. 16. Can the following 3 numbers be side measures of a triangle5, 8, 4 A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 17. If a triangle has no equal sides, what type of triangle is it? A) Scalene. B) Equilateral. C) Right. D) Obtuse. Show Answer Correct Answer: A) Scalene. 18. The Perimeters of two similar triangles are 56cm and 35 cm. The ratio of the areas of the these triangles is: A) $8:7$. B) $7:5$. C) $8:5$. D) $7:8$. Show Answer Correct Answer: C) $8:5$. 19. Triangle ABC is isosceles with AC = BC . If AB$^{2}$= 2AC$^{2}$, then the measure of angle C will be A) 30 $^{o}$. B) 45$^{o}$. C) 90$^{o}$. D) 60$^{o}$. Show Answer Correct Answer: C) 90$^{o}$. 20. Can the following 3 numbers be side measures of a triangle3, 6, 2 A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 21. A triangle can be classified as an isosceles triangle if there are two equal sides. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. A ladder is placed against a wall on the ground. The angle formed between ladder and ground is: A) Right Angle. B) Obtuse Angle. C) Acute Angle. D) Straight Angle. Show Answer Correct Answer: C) Acute Angle. 23. If the two angles of a triangle are 50 degree and 70 degree, then the measure of third angle is ..... A) 50$^{0}$. B) 60$^{0}$. C) 70$^{0}$. D) None of the above. Show Answer Correct Answer: B) 60$^{0}$. 24. The third term ofan A.P is 1 and the sixth term is-11.The 15th term of an A.P is: A) -47. B) -51. C) -55. D) -59. Show Answer Correct Answer: A) -47. 25. A ..... triangle has no equal sides. A) Scalene. B) Isosceles. C) Equilateral. D) None of the above. Show Answer Correct Answer: A) Scalene. ← 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 9Class 10 Maths Chapter 6 Triangles Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books