Term
| What is an Acute triangle? |
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Definition
[image]
a triangle where all angles in the triangle are acute |
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Term
| What is an Obtuse triangle? |
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Definition
[image]
a triangle where one angle is obtuse |
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Term
| What is a Right triangle? |
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Definition
[image]
a triangle where one angle is right. |
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Term
| What is a Scalene triangle? |
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Definition
[image]
no two sides are congruent |
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Term
| What is an Isosceles triangle? |
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Definition
[image]
at least 2 sides are congruent |
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Term
| what is an Equilateral triangle? |
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Definition
[image]
All sides are congruent |
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Term
| What is an Equiangular triangle |
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Definition
[image]
all angles are congruent |
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Term
| All angles in a triangle add to be 180 degrees. What is the name of this Theorem? |
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Definition
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Term
| What is the third angle theorem? |
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Definition
[image]
if two angles in a triangle are congruent to another two angles in a triangle, then the 3rd angles will be congruent. |
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Term
| What is the exterior angle theorem? |
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Definition
[image]
The sum of the two remote interior angles is the measure of the exterior angle. |
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Term
| The acute angles of a right triangle are ___________? |
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Definition
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Term
| What does CPCTC stand for? |
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Definition
[image]
Corresponding parts of congruent triangles are congruent |
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Term
| What are the 3 congruent transformations? |
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Definition
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Term
| What does SSS congruence mean? Draw a picture of 2 congruent triangles using SSS. |
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Definition
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Term
| What does SAS congruence mean? Draw a picture of 2 congruent triangles using SAS. |
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Definition
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Term
| What does ASA congruence mean? Draw a picture of 2 congruent triangles using ASA. |
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Definition
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Term
| What does AAS congruence mean? Draw a picture of 2 congruent triangles using AAS. |
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Definition
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Term
| What are the 4 ways to prove congruent triangles? |
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Definition
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Term
| What is the Isosceles Triangle Thm? |
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Definition
[image]
If 2 sides of a triangle are congruent, then the angles opposite those sides are congruent. |
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Term
| What is the Converse Isosceles Triangle Thm? |
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Definition
[image]
If 2 anlges of a triangle are congruent, then the sides opposite those angles are congruent. |
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Term
| A triangle is equilateral iff it is ____________? |
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Definition
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Term
| Each measure of an equilateral triangle is..... |
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Definition
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Term
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Definition
[image]
placing a triangle in the coordinate plane with once vertex at (0,0) |
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Term
Find the measure of angles x and y:
[image] |
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Definition
x=30 degrees
y=20 degrees |
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Term
Identify the congruent triangles:
[image] |
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Definition
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Term
Write a two column proof:
Given: BE bisects DA and <BAC≈<EDC
Prove: ΔCBA≈ΔCED
[image] |
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Definition
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Term
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Definition
3x-10=25+(x+15)
2x=45
x=22.5 |
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