This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 6 Triangles – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 6 Triangles Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following side measures form a triangle? A) 4, 6, 10. B) 4, 6, 9. C) 4, 6, 11. D) 2, 4, 6. Show Answer Correct Answer: B) 4, 6, 9. 2. I have a triangle that has sides 3 inches, 5 inches, and 7 inches. I can make ..... A) One unique triangle. B) Many triangles. C) This isn't a triangle. D) None of the above. Show Answer Correct Answer: A) One unique triangle. 3. In the figure of Triangle ABC, the points D and E are on the sides CA, CB respectively such that DE ||AB, AD =2x, DC =x + 3, BE = 2x-1 and CE = x. Then, value of x will be A) 4/5. B) 1/5. C) 3/5. D) 2/5. Show Answer Correct Answer: C) 3/5. 4. Two angles in a triangle measure 18$^\circ$ and 60$^\circ$. What is the measure of the third angle in the triangle? A) 222$^\circ$. B) 22$^\circ$. C) 122$^\circ$. D) 102$^\circ$. Show Answer Correct Answer: D) 102$^\circ$. 5. Which one is a popular Guyanese food? A) Sugarpot. B) Turkeypot. C) Pepperpot. D) Chicken Marsala. Show Answer Correct Answer: C) Pepperpot. 6. If two figures are similar their angles are ..... A) Proportional. B) Congruent. C) Supplementary. D) Complementary. Show Answer Correct Answer: B) Congruent. 7. If the scale factor is greater than one, the new figure will be A) A reduction. B) An enlargement. C) A scale. D) Not proportional. Show Answer Correct Answer: B) An enlargement. 8. The sum of the interior angles of a triangle is 180$^\circ$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. What are the two types of special rights triangles that we have talked about in class? A) 45-45-90 and 30-60-90 triangles. B) 3-4-5 and 5-12-13 triangles. C) Equilateral and scalene triangles. D) 10-20-30 and 15-25-35 triangles. Show Answer Correct Answer: A) 45-45-90 and 30-60-90 triangles. 10. If two line segments have the ..... length, they are congruent. A) Unequal. B) Different. C) Equal. D) None of these. Show Answer Correct Answer: C) Equal. 11. In a right angled triangle, if one angle is 45 degree then the measure of the third angle is ..... A) 90$^{0}$. B) 45$^{0}$. C) 180$^{0}$. D) None of the above. Show Answer Correct Answer: B) 45$^{0}$. 12. What type of triangle has 0 congruent sides? A) Scalene. B) Equilateral. C) Exterior Angle Theorem. D) Isosceles. Show Answer Correct Answer: A) Scalene. 13. What are matching sides of similar figures? A) Corresponding Sides. B) Corresponding Angles. C) Scale Factor. D) None of the above. Show Answer Correct Answer: A) Corresponding Sides. 14. In a right-angled triangle, the side opposite the right angle is called: A) Hypotenuse. B) Perpendicular. C) Base. D) Median. Show Answer Correct Answer: A) Hypotenuse. 15. Figures that have the same ..... and size are congruent triangles A) Corresponding. B) Angles. C) Shape. D) Corner. Show Answer Correct Answer: C) Shape. 16. For a triangle to be acute, ..... angle(s) in the triangle need to be acute angles. A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: D) 3. 17. A vertical pole of length 6 m casts a shadow 4 m long on the ground and at the same timea tower casts a shadow 28 m long. Find the height of the tower. A) 42 m. B) 24 m. C) 84 m. D) 38 m. Show Answer Correct Answer: A) 42 m. 18. Which of the following CANNOT represent the lengths of the sides of a triangle? A) 2 cm, 6 cm, 7 cm. B) 5 cm, 2 cm, 5 cm. C) 5 cm, 5 cm, 8 cm. D) 3 cm, 10 cm, 15 cm. Show Answer Correct Answer: D) 3 cm, 10 cm, 15 cm. 19. An acute triangle has ..... A) One angle greater than 90$^\circ$. B) All angles that are less than 90$^\circ$. C) All angles that are greater than 90$^\circ$. D) A right (90$^\circ$) angle. Show Answer Correct Answer: B) All angles that are less than 90$^\circ$. 20. A triangle can have three right angles. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Determine if it is possible to form a triangle with the given side lengths. 2 mm, 2 mm, 8 mm A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 22. In an isosceles triangle ABC, if AB=AC=25 cm and BC=14 cm, then the measure of altitude from A on BC is A) 20 cm. B) 22 cm. C) 18 cm. D) 24 cm. Show Answer Correct Answer: D) 24 cm. 23. How many altitudes can a triangle have? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 24. ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively. Then: A) BE>CF. B) BE C) BE=CF. D) None of the above. Show Answer Correct Answer: C) BE=CF. 25. Sides of two similar triangles are in the ratio 4:9. Areas of these triangles are in the ratio A) 2:3. B) 4:9. C) 81:16. D) 16:81. Show Answer Correct Answer: D) 16:81. ← 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 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 10Class 10 Maths Chapter 6 Triangles Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books