Properties of shapes lines angles and symmetry - One Line Questions

1. What is the measure of a straight angle? — 180 degrees
2. What is the minimum number of sides a polygon can have? — 3
3. What is the measure of an angle that is exactly half of a right angle? — 45 degrees
4. What is the sum of the interior angles of a triangle? — 180 degrees
5. The sum of angles around a point is: — 360 degrees
6. An angle that measures exactly 90 degrees is known as a(n): — Right angle
7. An angle measuring less than 90 degrees but greater than 0 degrees is called a(n): — Acute angle
8. An angle that measures more than 90 degrees but less than 180 degrees is called a(n): — Obtuse angle
9. A triangle with one angle measuring exactly 90 degrees is a(n): — Right-angled triangle
10. What is the basic unit of length in the International System of Units (SI)? — Meter
11. Which of the following shapes has exactly one line of symmetry? — Isosceles triangle
12. A closed shape made up of straight line segments is called a: — Polygon
13. The distance from the center of a circle to any point on its circumference is called the: — Radius
14. A triangle with two sides of equal length is called a(n): — Isosceles triangle
15. The point where two or more lines or edges meet is called a: — Vertex
16. A polygon with eight sides is called a(n): — Octagon
17. A polygon with five sides is called a: — Pentagon
18. Two lines that never intersect, no matter how far they are extended, are called: — Parallel lines
19. A triangle with all three sides of equal length is called a(n): — Equilateral triangle
20. A shape with three sides of different lengths is called a(n): — Scalene triangle
21. Which of the following is a property of a circle? — All points on the circumference are equidistant from the center.
22. Which shape has two pairs of equal adjacent sides and no right angles? — Kite
23. What is the name for a flat surface that extends infinitely in all directions? — Plane
24. A line that extends infinitely in one direction from a point is called a: — Ray
25. Which type of symmetry allows a shape to be rotated about a central point by less than 360 degrees and still look the same? — Rotational symmetry
26. A shape that looks the same after being rotated by 180 degrees about its center has: — Rotational symmetry of order 2
27. A shape that is symmetrical about a point is said to have: — Point symmetry
28. A shape that has the same appearance after certain rotations is said to possess: — Rotational symmetry
29. An angle formed by two rays sharing a common endpoint is measured in: — Degrees
30. An angle measuring more than 180 degrees but less than 360 degrees is called a(n): — Reflex angle
31. When two lines intersect to form four right angles, they are: — Perpendicular
32. A line that intersects two or more other lines is called a(n): — Transversal line
33. A shape with six equal sides and six equal angles is a(n): — Hexagon
34. A polygon with six sides is a: — Hexagon
35. What is the name for the boundary of a circle? — Circumference
36. A polygon with three sides is a: — Triangle
37. A line segment that connects two points on a circle and passes through the center is called a: — Diameter
38. What is the name of a line segment that connects two points on a circle? — Chord
39. A line segment that is part of a line and has two endpoints is called a: — Line segment
40. A shape with four equal sides and four right angles is called a: — Square
41. Which shape has four right angles and all sides equal? — Square
42. A shape with four sides, where one pair of opposite sides is parallel, is a: — Trapezium
43. An angle that measures exactly 180 degrees is a: — Straight angle
44. If a shape can be folded along a line so that two halves match exactly, it has: — Line symmetry
45. A shape that can be divided into two identical halves by a line of symmetry is said to have: — Line symmetry
46. A line that touches a circle at exactly one point is called a: — Tangent
47. Which of these shapes has rotational symmetry of order 3? — Equilateral triangle
48. A shape with opposite sides equal and parallel, but angles are not necessarily 90 degrees, is a: — Parallelogram
49. Which of the following has no vertices? — Circle
50. A shape with four equal sides, but angles are not necessarily 90 degrees, is a: — Rhombus
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