Pre-Algebra

Geometry and Measurement flashcards

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What does “Complementary Angles” mean?Angle Relationships
Two angle measures whose sum is a right angle.
What important condition applies to complementary angles?Angle Relationships
Complementary angles total 90°, not 180°.
What does “Supplementary Angles” mean?Angle Relationships
Two angle measures whose sum is a straight angle.
What important condition applies to supplementary angles?Angle Relationships
Supplementary does not require adjacency.
What does “Perimeter” mean?Perimeter and Area
The total distance around a figure’s boundary.
What important condition applies to perimeter?Perimeter and Area
Perimeter uses length units, not square units.
What does “Triangle Area” mean?Perimeter and Area
The amount of plane region inside a triangle.
What important condition applies to triangle area?Perimeter and Area
The height must be perpendicular to the base.
What does “Surface Area” mean?Surface Area and Volume
The combined area of a solid’s exterior faces.
What important condition applies to surface area?Surface Area and Volume
Count each face exactly once.
What does “Prism Volume” mean?Surface Area and Volume
The three-dimensional space occupied or enclosed by a solid.
What important condition applies to prism volume?Surface Area and Volume
Volume is expressed in cubic units.