Show:
Polygons
Triangle Sides
Triangle Angles
Definitions
Miscellanous
100
What is a polygon with 3 sides called?
Triangle
100
Triangles with all sides congruent are best described as _______________
Equilateral
100
How many obtuse angles can a triangle have?
1
100
What is a series of connected points that extends forever in both directions?
A line
100
What measure do all angles in a triangle add up to?
180 Degrees
200
What is a polygon called with 8 sides?
Octagon
200
Triangles with no sides congruent are called _______________
Scalene
200
A triangle with all angles smaller than 90 degrees is called ____________
Acute
200
A flat surface is called a ____________
Plane
200
True or False? Three points can be collinear and coplanar.
True, if three points are on the same line, then they must be on the same plane
300
What is a polygon called with 7 sides?
Heptagon
300
Triangles with at least two sides congruent are called _________________
Isosceles
300
What is a triangle with one angle bigger than 90 degrees?
Obtuse
300
A ___________ has one endpoint and extends forever in one direction.
Ray
300
If two lines have the same length then they are ________________
Congruent
400
What is a polygon called with 4 sides called?
Quadrilateral
400
If the side measures of a triangle are 8, 19, and 8, what type of triangle is this?
Isosceles
400
What is a triangle with a 90 degree angle called?
Right triangle
400
3 points on the same plane are called ____________
Coplanar
400
A polygon with 37 sides is called ______________
37-gon
500
What is a polygon with 12 sides called?
Dodecagon
500
True or False? An equilateral triangle is also an isosceles triangle?
True, isosceles triangles have at least 2 congruent sides. So, a triangle with 3 congruent sides is both equilateral and isosceles.
500
If two angles in a triangle are 70 degrees each, what does the last angle measure have to be AND what type of triangle is this?
40 degrees and Acute
500
What's the difference between a line and a line segment?
A line segment has two endpoints and a line extends forever in both directions
500
A polygon with 11 sides is called a(n) __________________
Undecagon