11 terms

Unit 4 - Geometry 7th Grade

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Adjacent Angles
Angles that have the same vertex, share a common side, and do not overlap
Circumference
The Distance around a circle
Complementary Angles
Two angles are ______________ if the sum of their measures is 90 degrees.
Congruent
Having the same measure
Cross Section
A ______ _______ is the shape we get when cutting straight through an object.
Irregular Polygon
A polygon that does not have all sides equal and all angles equal.
Parallel Lines
Lines in a plane that never intersect
Pi
The ratio of the circumference of a circle to its diameter.
Regular Polygon
A polygon is a ________ __________ only when all angles are equal and all sides are equal, otherwise it is irregular.
Supplementary Angles
Two angles are ___________ if the sum of their measures is 180 degrees.
Vertical Angles
Opposite angles formed by the intersection of two lines. These angles are congruent.