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Geometry Revision

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  • Draw a ray
  • Draw an acute angle
  • What is the definition of a line?
    a straight, one-dimensional path that extends infinitely in both directions
  • Draw intersecting lines
  • What are the 3 properties of a triangle?
    3 sides/edges, 3 corners/vertices, 3 interior angles that equal 180 degrees
  • Bonus points! Draw a complete angle
  • What is a scalene triangle?
    A triangle with a triangle where all three sides have different lengths and, consequently, all three angles are also different
  • Bonus points! If a circles diameter is 20, what is the radius?
    10
  • Bonus points! If a circles radius is 4, what is the diameter?
    8
  • What is this called: the distance from the center of a circle to its edge
    radius
  • What is the 3D shape that this net makes?
    Triangular Prism
  • Draw a line segment
  • Where might you see parallel lines in real life? Be specific!
    You decide if their answer was specific enough.
  • Bonus points! Draw a reflex angle
  • Bonus points: guess what number Ms. Barry is thinking about while writing this question
    16
  • What is the 3D shape that this net makes?
    Square-based pyramid
  • What is the 3D shape that this net makes?
    Cone
  • Draw parallel lines
  • What is the definition of a line segment?
    a straight path with two definite endpoints
  • What are the 3 properties of a circle?
    Circumference, radius, diameter
  • What is an equilateral triangle?
    a triangle with three equal sides and three equal angles, each measuring 60°
  • What is the 3D shape that this net makes?
    Cuboid (or rectangular prism)
  • Where might you see a right angle in real life? Be specific!
    You decide if their answer was specific enough.
  • What is an isosceles triangle?
    a triangle with at least two sides of equal length and, consequently, two angles of equal measure
  • What is the definition of a ray?
    a part of a line that has a single starting point (or endpoint) and extends infinitely in one direction
  • What is the 3D shape that this net makes?
    Cylinder
  • Draw perpendicular lines
  • What is the 3D shape that this net makes?
    Tetrahedron (or triangular based pyramid)
  • What is this called: the length of a straight line passing through the center of a circle, connecting two opposite points on its edge
    diameter
  • Draw a line
  • Bonus points! What number is pi?
    3.14
  • What are the 3 properties of a quadrilateral?
    4 sides/edges, 4 corners/vertices, 4 interior angles that equal 360 degrees
  • If I apply a scale factor of 1/3 to this shape, what should the new measurements be?
    1cm x 1cm
  • What is the defintion of an angle
    the space between two rays or lines
  • What is this called: the distance around the outer edge of a circle
    circumference
  • What is the 3D shape that this net makes?
    Pentagonal Prism
  • What is the 3D shape that this net makes?
    Cube
  • If I apply a scale factor of 2 to this shape, what should the new measurements be?
    10cm x 10cm
  • Draw a right angle
  • Draw an obtuse angle
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