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Terms
Triangles
Polygons
Facts
Pot Luck
100
a polygon
What is a closed plane figure with sides formed by three or more line segments.
100
at least two congruent sides
What is an isosceles triangle?
100
has five sides
What is a pentagon?
100
polygons with the same shape and same size
What are congruent polygons
100
by their number of sides
What is how to classify polygons?
200
a triangle with no congruent sides
What is a scalene triangle?
200
has three congruent sides and three congruent angles
What is an equilateral triangle?
200
is a quadrilateral with exactly one pair of parallel sides
What is a trapezoid?
200
same shapes, different sizes
What are similar polygons
200
subtract known measure from 180 degrees
What is finding the supplement angle?
300
angles that share a vertex and a side (side by side)
What are adjacent angles?
300
has one right angle
What is a right triangle?
300
a quadrilateral with both pairs of opposite sides parallel
What is a parallelogram?
300
A = bh
What is the area of a parallelogram?
300
360 degrees
What is the sum of the measures of the four angles of intersecting lines?
400
angles with equal measures
What are congruent angles?
400
add the known measures then subtract from 180 degrees
What is finding the missing measure of a triangle?
400
a polygon with all sides congruent and all angles congruent
What is a regular polygon?
400
A = 1/2h(b1 + b2)
What is the area of a trapezoid?
400
lines that lie in different planes they are neither parallel nor intersecting
What are skew lines?
500
the sum of the measures of two angles is 90 degrees
What are complementary angles?
500
all polygons with 4 sides
What are quadrilaterals?
500
four right angles and four congruent sides
What is a square?
500
A = 1/2bh
What is the area of a triangle
500
part of a line with two endpoints
What is a segment?