This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 6 Triangles – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 6 Triangles Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the ratio of the perimeter of two similar triangles is 4:25, then find the ratio of the areas of the similar triangles. A) 4:25. B) 2:5. C) 16:625. D) None of the above. Show Answer Correct Answer: C) 16:625. 2. A triangle has angle measurements of 54$^\circ$, 52$^\circ$, and 74$^\circ$. What kind of triangle is it? A) Acute triangle. B) Right triangle. C) Obtuse triangle. D) None of the above. Show Answer Correct Answer: A) Acute triangle. 3. All ..... triangles are similar A) Scalene. B) Isosceles. C) Equilateral. D) Right angled. Show Answer Correct Answer: C) Equilateral. 4. Classify this triangle.e A) Acute equilateral. B) Acute scalene. C) Acute isosceles. D) Right scalene. E) E. right isosceles. Show Answer Correct Answer: E) E. right isosceles. 5. If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then: A) BD=CD. B) B. BD>CD. C) C. BD D) D. None of the above. Show Answer Correct Answer: A) BD=CD. 6. An obtuse triangle is any triangle that has one angle that measures ..... 90 degrees. A) Exactly. B) Less than. C) Greater than. D) None of these is correct. Show Answer Correct Answer: C) Greater than. 7. If you are given two sides of a triangle what will be true? A) You can make infinitely many unique triangles. B) You can't make any triangles with this information. C) You can only make one unique triangle. D) You can only make 2 unique triangles. Show Answer Correct Answer: A) You can make infinitely many unique triangles. 8. Two polygons of the same number of sides are similar, if(i) all the corresponding angles are equaland(ii) all the corresponding sides are in the same ratio . A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. If two angles of a triangle are 60 degree each, then the triangle is A) Isosceles but not equilateral. B) Scalene. C) Equilateral. D) Right-angled. Show Answer Correct Answer: C) Equilateral. 10. At least how many equal sides does an isosceles triangle have? A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: C) 2. 11. A triangle in which one angle is right angle is called ..... A) Obtuse angled Triangle. B) Right angled Triangle. C) Acute angled Triangle. D) Equilateral triangle. Show Answer Correct Answer: B) Right angled Triangle. 12. If all of the triangle side are different lengths, the triangle is an isosceles triangle. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. In which week will his jogging time be 70 minutes per day? A) 8th week. B) 10th week. C) 11th week. D) 16th week. Show Answer Correct Answer: C) 11th week. 14. Which side lengths would NOT form a triangle? A) 3, 4, 5. B) 2, 5, 9. C) 5, 10, 12. D) 7, 9, 11. Show Answer Correct Answer: B) 2, 5, 9. 15. Two angles whose sum of angle measures equals 180 degrees A) Supplementary Angles. B) Obtuse Angle. C) Complementary Angles. D) Straight Angle. Show Answer Correct Answer: A) Supplementary Angles. 16. Which of the following is not a similarity criterion for two triangles? A) AAA. B) SSS. C) SAS. D) ASA. Show Answer Correct Answer: D) ASA. 17. What must you do to determine if side lengths can make a triangle? A) Add the two shorter sides, answer must me less than or equal to the third side. B) Subtract the largest side from any other side and the answer must be positive. C) Add the two shorter sides together, answer must be larger than the third side. D) Divide your largest side by one of the shorter sides, your answer has to be bigger than the remaining side. Show Answer Correct Answer: C) Add the two shorter sides together, answer must be larger than the third side. 18. Which of the following is a pair of congruent figures: A) A regular pentagon and a regular hexagon. B) A rhombus and a square. C) Two equilateral triangles of the same length of their sides. D) Two equilateral triangles having different length of their sides from each other. Show Answer Correct Answer: C) Two equilateral triangles of the same length of their sides. 19. An acute triangle has ..... angles that each measure less than 90$^\circ$. A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: C) Three. 20. Which of the following cannot be the sides of a triangle? A) 5 cm, 7 cm, 10 cm. B) 2 cm, 3 cm, 10 cm. C) 4 cm, 5 cm, 6 cm. D) 7 cm, 8 cm, 12 cm. Show Answer Correct Answer: B) 2 cm, 3 cm, 10 cm. 21. How many altitudes does a triangle have? A) 2. B) 4. C) 3. D) 5. Show Answer Correct Answer: C) 3. 22. An obtuse triangle has (a) A) A. one obtuse angle. B) Three obtuse angles. C) One acute angle. D) None of the above. Show Answer Correct Answer: A) A. one obtuse angle. 23. Ashley has multiple sticks to build a triangle for a class project. Which three lengths can she pick to build a triangle? A) 10 cm, 22 cm, 4 cm. B) 12 cm, 5 cm, 17 cm. C) 13 cm, 6 cm, 6 cm. D) 11 cm, 25 cm, 15 cm. Show Answer Correct Answer: B) 12 cm, 5 cm, 17 cm. 24. It is given that $\Delta$ABC ~ $\Delta$PQR, with BC/QR = 1/4 then, ar($\Delta$PRQ)/ar(ABC) is equal to A) 16. B) 4. C) 1/6. D) 1/16. Show Answer Correct Answer: A) 16. 25. If one angle of a triangle is 60 degree and other two angles are in the ratio 1:2, then the largest angle is A) 90 degree. B) 80 degree. C) 70 degree. D) 60 degree. Show Answer Correct Answer: B) 80 degree. ← 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 9Class 10 Maths Chapter 6 Triangles Quiz 10Class 10 Maths Chapter 6 Triangles Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books