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Math Unit 5: Part 2
Term | Definition |
---|---|
perimeter | The distance around a figure |
area | The number of square units needed to cover the region |
surface area | The sum of the areas of all of the faces of a solid figure |
line plot | A graph using marks along a number line to show how many objects are in a set |
protractor | A tool used to measure angles |
point | An exact location in space |
vertex | The point where two rays or lines meet to form an angle |
ray | A straight row of points that starts at one point and goes on forever in one direction |
angle | A geometric shape made by two rays from a common endpoint, called a vertex |
right angle | An angle that forms a square corner |
acute angle | An angle that is less than a right angle |
obtuse angle | An angle that is greater than a right angle |
decompose | To split up into parts |