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Geometry 4 voc
Question | Answer |
---|---|
Which angle makes a 90 degree angle, or the "perfect L?" | A right angle |
plane figures that have the same size and shape | congruent |
Which angle is bigger than a right angle(>90)? | An obtuse angle |
Which angle is smaller than a right angle(<)? | An acute angle |
point where edges meet | vertex |
polygon with only one pair of parallel sides | trapezoid |
Which quadrilateral has 4 right angles and all sides are the same length? | square |
Which quadrilateral has 4 right angles and the opposite sides are the same length? | rectangle |
set of points that is endless in both directions | line |
line that has two endpoints | line segment |
lines that cross each other at one point | intersecting lines |
lines that are always the same distance apart and never cross | parallel lines |
lines that cross at one point, and form right angles | perpendicular lines |
What is the distance around a figure called? | perimeter |
number of square units needed to cover the inside of a figure called? | area |
triangle with 3 equal sides and 3 equal angles | equilateral |
triangle with 2 equal sides and 2 equal angles | isosceles |
triangle with no sides the same length | scalene |
any line segment that joins a point on the circle to the center of the circle | radius |
any line segment that passes through the center of a circle and has its endpoints on the circle | diameter |
a figure can be folded so its two parts match exactly | line of symmetry |
the sum of areas of all the faces of a solid figure | surface area |
the number of cubic units that make up a figure | volume |
quadrilateral with opposite sides parallel and the same length | parallelogram |