Triangles


Videos


Pythagoras Theorem

289

Pythagoras Theorem

289

Similar Triangles & Properties

171

Extension to Triangles

69

Adaptive Q1

31

Adaptive Q3

119

Adaptive Q3

119

Constructing a Larger Triangle

224

Similar Triangles in a Right Triangle

270

Areas of Similar Triangles

351

We Need Evidence Part 1

389

Similarity

223

Similarity

223

Interesting Results: Similar Triangles in a Right Triangle

236

Similarity vs Congruency

102

Similarity vs Congruency

102

We Need Evidence Part 2

304

Questions on BPT

268

Basic Proportionality Theorem

147

Similarity of Triangles

396

Similarity of Triangles

396

Similar Triangles in a Right Triangle

270

AAA Similarity

177

Complications in Similarity

135

Complications in Similarity

135

AA Similarity

210

SSS Similarity

477

SAS Similarity

269

Criterion Visualized

195

We Need Evidence Part 1

389

We Need Evidence Part 1

389

Interesting Results: Similar Triangles in a Right Triangle

236

We Need Evidence Part 2

304

We Need Evidence Part 2

304

Questions on BPT

268

Questions on BPT

268

What is Angle Bisector Theorem

118

AAA - Proof

407

Basic Proportionality Theorem

147

Basic Proportionality Theorem

147

Prove it to me!

170

What about External Angle Bisectors

135

Converse of ABT

232

Introduction

132

Question01

21

SAS and ASA congruency

240

Check solution 01

461

AAS and SSS congruency

180

RHS congruency

44

Question 02

13

Check solution 02

637

Criteria for Similarity of Triangles

51

Converse of Pythagoras Theorem

174

What is Apollonius's Theorem?

103

Proving Apollonius's Theorem

633

Proof by Construction

249

Proof by Contradiction

511