This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 5 Lines And Angles – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 5 Lines And Angles Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. I have no pairs of parallell lines, 2 acute angles and 1 right angle what am I? A) Triangle. B) Right triangle. C) Rhombus. D) Kite. Show Answer Correct Answer: B) Right triangle. 2. Same Side Exterior Angles are A) Congruent. B) Supplementary. C) Complementary. D) There is no relationship. Show Answer Correct Answer: B) Supplementary. 3. Define Right Angle A) Less than 90. B) Exactly 90. C) Greater than 90 and less than 180. D) Exactly 180. Show Answer Correct Answer: B) Exactly 90. 4. I have a straight path and never stop going in either direction. What am I? A) Line segment. B) Parallel. C) Line. D) Perpendicular line. Show Answer Correct Answer: C) Line. 5. What is the value of x that makes two angles a linear pair if one angle is 7x + 30 and the other is 8x? A) 5. B) 15. C) 10. D) 20. Show Answer Correct Answer: C) 10. 6. The angles of a triangle are in the ratio 5:3:7. The triangle is A) An acute-angled triangle. B) An obtuse-angled triangle. C) An isosceles triangle. D) None of the above. Show Answer Correct Answer: A) An acute-angled triangle. 7. What are adjacent angles? A) Angles with the same measurement. B) Angles that add up to 90 degrees. C) Angles that share an edge. D) Angles that add up to 180 degrees. Show Answer Correct Answer: C) Angles that share an edge. 8. If the supplement of an angle is three times its complement, then angle is A) 40$^{o}$. B) 35$^{o}$. C) 50$^{o}$. D) 45$^{o}$. Show Answer Correct Answer: D) 45$^{o}$. 9. Lines that cross and form acute and obtuse angles are A) Intersecting Lines. B) Parallel Lines. C) Perpendicular Lines. D) Hearts. Show Answer Correct Answer: A) Intersecting Lines. 10. What is a vertical angle? A) Angles that are adjacent to each other when two lines intersect. B) Angles that are opposite each other when two lines intersect, and they are always equal. C) Angles that are supplementary to each other when two lines intersect. D) Angles that are complementary to each other when two lines intersect. Show Answer Correct Answer: B) Angles that are opposite each other when two lines intersect, and they are always equal. 11. If a ray stands on a line, the sum of adjacent angels formed is ..... A) 180$^\circ$. B) 90$^\circ$. C) 120$^\circ$. D) 360$^\circ$. Show Answer Correct Answer: A) 180$^\circ$. 12. Say 'TRUE' or 'FALSE'A triangle must have at least two acute angles A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 13. I am a straight lines.I run from West to East.What am I? A) Horizontal line. B) Vertical line. C) Parallel lines. D) Perpendicular lines. Show Answer Correct Answer: A) Horizontal line. 14. What is the difference between acute and obtuse angles? A) Acute angles are less than 90 degrees; obtuse angles are more than 90 degrees. B) Acute angles are equal to 90 degrees; obtuse angles are less than 90 degrees. C) Acute angles are more than 90 degrees; obtuse angles are less than 90 degrees. D) Acute angles are always larger than obtuse angles. Show Answer Correct Answer: A) Acute angles are less than 90 degrees; obtuse angles are more than 90 degrees. 15. Which two line segments create a right angle? A) Line segments that meet at a 90-degree angle. B) Line segments that are parallel to each other. C) Line segments that intersect at any angle. D) Line segments that are perpendicular to each other. Show Answer Correct Answer: A) Line segments that meet at a 90-degree angle. 16. What is the correct definition of an angle? A) One single ray. B) Two rays that meet at a single endpoint (vertex). C) Two lines that never intersect. D) Two rays that go in opposite directions. Show Answer Correct Answer: B) Two rays that meet at a single endpoint (vertex). 17. When the sum of the measures of two angles is 90$^\circ$, the angles are called A) Supplementary angles. B) Complementary angles. C) Adjacent angles. D) Vertically opposite angles. Show Answer Correct Answer: B) Complementary angles. 18. If angle A is 70 degrees, what is the measure of its supplementary angle? A) 90 degrees. B) 120 degrees. C) 110 degrees. D) 100 degrees. Show Answer Correct Answer: C) 110 degrees. 19. Find the slope of a line perpendicular to the line with equation $y =-\frac{1}{3}x + 2$ A) $-\frac{1}{3}$. B) $\frac{1}{3}$. C) $3$. D) $-3$. Show Answer Correct Answer: C) $3$. 20. Squares and rectangles have ..... right angles A) No. B) One. C) Two. D) Four. Show Answer Correct Answer: D) Four. 21. My angles measure 180 degrees. What am I? A) Straigtht line. B) Obtuse angle. C) Reflex angle. D) Right angle. Show Answer Correct Answer: A) Straigtht line. 22. What are complementry angles? A) Add up to 180 degrees. B) Add up to 90 degree. C) Add up to 360 degree. D) Add up to 232. Show Answer Correct Answer: B) Add up to 90 degree. 23. What type of lines are equadistant from each other? A) Parallel. B) Perpendicular. C) Intersecting. D) None of the above. Show Answer Correct Answer: A) Parallel. 24. What type of angles are formed when the sum of the measures of two angles is 90$^\circ$ A) Adjacent Angles. B) Vertical Angles. C) Supplementary Angles. D) Complementary Angles. Show Answer Correct Answer: D) Complementary Angles. 25. The angle of a triangle are in the ratio 5:3:7, the triangle is A) An acute-angled triangle. B) An obtuse angled triangle. C) An right angled triangle. D) An isosceles triangle. Show Answer Correct Answer: A) An acute-angled triangle. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 5 Lines And Angles Quiz 1Class 7 Mathematics Chapter 5 Lines And Angles Quiz 2Class 7 Mathematics Chapter 5 Lines And Angles Quiz 3Class 7 Mathematics Chapter 5 Lines And Angles Quiz 4Class 7 Mathematics Chapter 5 Lines And Angles Quiz 5Class 7 Mathematics Chapter 5 Lines And Angles Quiz 6Class 7 Mathematics Chapter 5 Lines And Angles Quiz 7Class 7 Mathematics Chapter 5 Lines And Angles Quiz 8Class 7 Mathematics Chapter 5 Lines And Angles Quiz 9Class 7 Mathematics Chapter 5 Lines And Angles Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books