Geometry Test.txt
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2 rays with a common endpoint(vertex)
Angle

Same size and shape
Congruent

Measures less than 90 degrees
Acute angle

Measures 90 degrees
Right angle

Measures between 90180 degrees(greater than 90 degrees)
Obtuse angle

Angles that add up to 90 degrees
Complementary angles

Angles that add up to 180
Supplementary angles

Angles that are congruent
Vertical angles

Lines that never intersect
Parallel lines

Lines that intersect and form 4 right angles
Perpendicular lines

A simple closed figure whose sides are segments
Polygon

A triangle with all congruent sides
Equilateral triangle

A triangle with at least 2 congruent sides
Isosceles triangle

A triangle with no congruent sides
Scalene triangle

A 4 sided figure
Quadrilateral

A quad
1 pair of parallel sides
Trapezoid

A quad
opposite sides parallel
Parallelogram

Quad(4 sides)
Opposite sides parallel
4 right angles
Rectangle

A quad
opposite sides parallel
all sides congruent
Rhombus

A 5 sided figure
Pentagon


A 7 sided figure
Septagon


A 10 sided figure
Decagon

Angles in a triangle add up to ___
180 degrees

Angles in a quadrilateral(quad) add up to ___ _______
360 degrees

A ___ angle is formed by joining 2 points on a circle to the center
Central

The ___ of a triangle is a perpendicular segment from one vertex of a triangle to the opposite side
Altitude

A _____ divides something into 2 equal parts
Bisector

A ____ connects 2 nonadjacent vertices of a polygon
Diagonal

4 sides
Opposite sides parallel
4 right angles
All sides congruent
Square