Triangle Congruence
Name 1 way you can tell if Triangle is Congruent
Vertical Angles
Reflexive Property
Its given
etc.
Three Pairs of Congruent Sides
SSS (Side-Side-Side)
Two triangles are equal to eachother if All ______ Angles and Sides are congruent.
Congruent
What is the sum of all Angles in a triangle
180 degrees
Give the definition of colinear
2 Points on the same line.
TRIANGLE JKL = TRIANGLE PQR
Name a Congruent Angle
J = P
K = Q
R = L
Two Angles and an Included Side
ASA (Angle-Side-Angle)
The reflexive property states that a ____ of a triangle is congruent to itself.
side
If a line segment is shared between 2 triangles, what property is being used
What is the angle measure of a straight line
180 degrees
TRIANGLE JKL = TRIANGLE PQR
Name a Congruent Side
JK = PQ
KL = QR
LJ = RP
Two Sides and an Included Angle
Vertical Angles are formed by the intersection of two triangles at a common _______.
Vertice/Angle
Name the 2 of the main types of triangles
Isoceles Equilateral Equiangular Scalene Right Acute Obtuse etc.
What are Complimentary Angles
2 Angles which measures add together to equal 180 degrees.
if
W=E X=F Y=G and WX=EF XY=FG YW=GE
write a congruency statement for the listed sides and angles
TRIANGLE WXY = TRIANGLE EFG
Two sides and a side opposite them
AAS (Angle-Angle-Side)
A Midpoint is a point that divides the line segment into ____ _______ parts.
2 Equal
Define an Equiangular Triangle
All Angles are equal
What is the Triangle Inequality Theorem?
The length of the 2 shorter sides of a Triangle must add up to larger than the largest side of the triangle
Name 4 of the 8 reasons why Angles and Sides of Triangles are Congruent
Definition of a Midpoint
Reflexive Property
Vertical Angles
Alt Interior Angles
Alt Exterior Angles
Corresponding Angles
Angle Bisector
The Hypotenuse and any leg of a Right Angle
HL (Hypotenuse-Leg)
An angle bisector is a ____ that divides an angle into ___ ________ parts.
ray 2 congruent
How many sides does 86 triangles have total
258 sides
How many total degrees are in a 30-Gon
(30 seconds to Solve)
4680 Degrees
S = 180(n-2) / S = 180(30-2)