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Geometry

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    Geometry concepts
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  • What is geometry?
    Geometry is a branch of mathematics that studies the sizes, shapes, positions angles and dimensions of things.
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  • Mention four instruments you need for Geometry
    Protractor, set square 60 degree, set square 45 degrees, ruler, compass
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  • What is a point?
    A point is an object that has no length or width.
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  • How many dimensions does a point have?
    Zero
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  • What do points help us do?
    They help us describe specific locations in space.
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  • What is a line segment?
    A line segment is a part of a line with two end points.
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  • What is a line?
    A line is an object that extends without end in both directions. It is usually drawn with arrowheads to show that it goes on forever.
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  • What is a ray?
    A ray is half of a line, with one end point.
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  • What is the difference between a ray, a line and a line segment?
    A line segment has two endpoints, a ray has only one end point and a line has no end points.
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  • How many demensions does a line have?
    It has only one dimension, length
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  • What are parallel lines?
    Parallel lines are lines that never intersect. They never meet.
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  • When two or more lines cross each other in a plane, they are called __________ .
    Intersecting lines.
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  • What is the name of the point shared by intersecting lines?
    Point of intersection
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  • The lines that never meet are called ______________
    Parallel lines
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  • The lines that intersect to form four right angles are called _________
    Perpendicular lines
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  • WHen two rays share an end point, an ___________ is formed.
    angle
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