Math Support 6th Grade Cavallo Chapter 5 Geometry and Measurement
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| perimeter | the distance around a figure
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| area | the space a figure encloses
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| line | extends forever in two directions
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| ray | a part of a line; extends forever in one direction and has one endpoint
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| line segment | a part of a line
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| angle | two rays with a common endpoint
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| vertex | the common endpoint of an angle
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| acute angle | an angle that measures less than 90 degrees
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| right angle | an angle that measures exactly 90 degrees
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| obtuse angle | an angle that measures more than 90 degrees and less than 180 degrees
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| straight angle | an angle that has a measure of exactly 180 degrees; it is a line
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| protractor | a tool used to measure angles
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| complementary angles | two angles that add up to 90 degrees
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| supplementary angles | two angles that add up to 180 degrees
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| congruent | when two figures have the same shape and the same size
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| bisect | divides a figure into two equal parts
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| plane | an infinite, flat surface
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| parallel | lines that never meet
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| transversal | a line that intersects two or more parallel lines
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| midpoint | the point that divides a line segment into two equal segments
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| perpendicular | lines, rays, and line segments that form right angles
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| quadrilateral | four-sided figure
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| parallelogram | quadrilateral with two pairs of parallel sides and two pairs of congruent sides
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| rectangle | quadrilateral; parallelogram; has four right angles
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| square | quadrilateral; parallelogram; rectangle; rhombus; has four right angles and four congruent sides
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| rhombus | quadrilateral; parallelogam; has four congruent sides
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| trapezoid | quadrilateral; has only one pair of parallel sides
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| polygon | a geometric figure with at least three sides
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| triangle | a polygon with three sides
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| pentagon | a polygon with five sides
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| hexagon | a polygon with six sides
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| octagon | a polygon with eight sides
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| regular polygon | a polygon where all of the sides and all of the angles are equal
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| (n - 2)180 | formula to find the sum of the measures of the angles; n is the number of sides of the polygon
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| perfect square | the square of a whole number
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| square root | the length of the side of a square with an area equal to the number
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| hypotenuse | in a right triangle, the side opposite the right angle; it is the longest side
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| legs | the two sides of the right triangle (NOT the hypotenuse)
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| pythagorean theorem | formula used to find a missing length of a right triangle; the sum of the squares of athe legs of a right triangle is equal to the square of the hypotenuse
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| area of a triangle | one half the product of the lengths of the base and the height
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| area of a parallelogram | the product of its height and the length of its base
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mnash
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