1109 Flashcards
(17 cards)
What are segments that are the same length
Congruent segments
What is a self evident statement
A postulate
What is an endpoint and all points along the extension and the direction the ray is drawn
A ray
The measure of all its size are unequal
Scalene triangle
Is a common endpoint of two rays that form and angle
Vertex
What is a basic building block of all the geometric figures
A point
What is a line segment passing through the center of a circle whose and points lie on the circle
Diameter
What must an obtuse angle have
And angle greater than 90 but less than 180
What is the instrument used to measure the side of an angle called
Protractor
What is a bisector of an angle
A ray that originates at the vertex of an angle and divides into two congruent angles
What is an angle that is less than 90° called
Acute
What kind of triangles are triangles have been the same size and shape
Congruent triangles
What angles are two nonadjacent angles formed by two intersecting lines
Vertible angle
Postulate nine
If one line meets another line, the adjacent angles formed are always supplementary
Postulate 10
Angles that are complements of the same angle, or congruent angles, are congruent
Postulate 12
Vertical angles are congruent
SSS postulate
If three sides of one triangle are congruent to three sides of another triangle, the triangles are congruent
