Types of Triangles
A triangle with 1 angle that is large than 90'
Obtuse Triangle
The distance around a circle.
Circumference
An angle that measures less than 90*
Acute Angle
What is a series of points that extends in opposite directions without end?
A line
What is it called when the sum of the measure of 2 angles is 90*
Complementary Angles
All angles are less than 90'
Acute Triangle
The midpoint of a circle.
Center or Vertex
Right
Lines that intersect at right angles
Perpendicular Lines
One angle of a triangle is 59*, the other is 31*...What does the 3rd angle measure?
90*
Has no congruent sides and no congruent angles.
Scalene triangle
A line drawn from the center to the circumference.
Radius
An angle that measures greater than 90* and less than 180*
Obtuse angle
What is a location in space
One angle of a triangle measures 116*, another anles measures 32*...What does the 3rd angle measure and what type of triangle is it?
32* Isosceles/Obtuse
Has 3 equal sides and 3 equal angles.
Equilateral Triangle
The line drawn from one circumference through the center to another circumference.
Diameter
What is formed by 2 rays with a common endpoint
An angle
Parallel lines
One angle of a triangle measures 58*, another angle measures 54*, what does the 3rd angle measure and what type of triangle is it?
68* acute/scalene
This type of triangle has 2 congruent sides and 2 congruent angles.
Isosceles Triangle
A line that connects one point on the edge of the circle to another point on the circle.
Chord
This angle equals to 180*
Straight Angle
a part of a line that has 2 endpoints
Line segment
What is it called when the sum of the measures of 2 angles is 180*
Supplementary angles