Name that Triangle!
All About Angles
SSS, SAS, ASA, & AAS
Congruence in Triangles
Isosceles and Equilateral Triangles
100
This triangle that has no equal sides or angles
Scalene Triangle
100
The sum of two or more angles that lie together on a line.
180 degrees.
100
If three sides of one triangle are congruent to three sides of another triangle, then these two triangles are congruent by ____.
Side-Side-Side (SSS)
100
Triangle XYZ is congruent to Triangle FBJ. XY is congruent to ___?
FB
100
This triangle has two congruent sides called legs.
Isosceles Triangle
200
This triangle has only two equal sides and angles
Isosceles Triangle
200
The sum of all three angles in a triangle added together.
180 degrees
200
If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then these two triangles are congruent by _____.
Side-Angle-Side (SAS)
200
Triangle ABC is congruent to Triangle DEF. Angle C is congruent to angle...
Angle F
200
True or False? If all three sides of a triangle are congruent, all three angles are NOT congruent.
False. All three angles are congruent.
300
This triangle has all sides and angles that are equal.
Equilateral Triangle
300
When two lines intersect, the opposite angles are congruent to each other.
Vertical Angles
300
If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then these two triangles are congruent.
Angle-Side-Angle (ASA)
300
True of False? If Triangle FYJ is congruent to Triangle GHI, then Triangle JYF is congruent to Triangle IHG?
True
300
If the base angles in an isosceles triangle are congruent, then the two opposite _______ are congruent.
Sides or Legs
400
This triangle has an angle whose measurement is greater then 90 degrees.
Obtuse Triangle
400
Angles that are located in the matching corners caused by a transversal.
Corresponding Angles
400
If two angles and the non-included side one triangle are congruent to two angles and the non-included angle of another triangle, then these two triangles are congruent by ____.
Angle-Angle-Side (AAS)
400
TS is congruent to RV, SU is congruent to VX, UT is congruent to XR. Name the two congruent triangles.
Triangle TSU and Triangle RVX
400
In an equiangular triangle, how many degrees does each angle measure?
60 degrees
500
This triangle has all angles measure less then 90 degrees.
Acute Triangle
500
The base angles of an isosceles triangles are ____________________.
Congruent.
500
DAILY DOUBLE! Is triangle ENR congruent to triangle VNR?
Yes, by AAS.
500
Triangle ABC is congruent to Triangle DEF. The length of AB is 2x+2. The length of DE is 24. What is the value of x?
11
500
This type of triangle has three congruent sides and three congruent angles.
Equiangular equilateral triangle