Proving Two Triangles are Congruent

  • Context: MHB 
  • Thread starter Thread starter bearn
  • Start date Start date
  • Tags Tags
    Triangles
bearn
Messages
11
Reaction score
0
IMG_20220316_105559.jpg
WW2
 
Mathematics news on Phys.org
What are the three conditions for two triangles to be congruent?

-Dan
 
topsquark said:
What are the three conditions for two triangles to be congruent?

-Dan
SAS, SSS and ASA?
 
bearn said:
SAS, SSS and ASA?
Good! Now, try for SSS on the first one. Is there any way you can show that BN = GI? For the second one, do the same trick but now you have a couple of supplementary angles to work with. Give it a try.

-Dan
 

Similar threads

MHB Can a Triangle Be Divided Into 205 Congruent Triangles?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Need help with parallelogram proof
  • · Replies 1 ·
Replies
1
Views
1K
MHB Prove Triangle ABC is a Right Triangle
  • · Replies 1 ·
Replies
1
Views
1K
MHB Proving $\angle ABC$ is Acute: Inside the Triangle $ABC$
  • · Replies 4 ·
Replies
4
Views
2K
High School More similar triangle problems
  • · Replies 23 ·
Replies
23
Views
3K
Undergrad Find the Number of Triangles
  • · Replies 33 ·
2
Replies
33
Views
7K
Undergrad ABC triangle with integer sides
  • · Replies 17 ·
Replies
17
Views
3K
Undergrad What Are the Benefits of Triangle Inequality in Mathematics?
  • · Replies 2 ·
Replies
2
Views
3K
MHB Can You Find the Angle in This Isosceles Triangle Problem?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Difference of angles in a triangle
  • · Replies 4 ·
Replies
4
Views
2K