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U6 Pre-Material L2 Part 1: Inequalities in a Triangle - Relationship of Sides to Angles

Author:Laina Beale, Terry Lee Lindenmuth
Adjust the triangle to verify your conjectures.

INVESTIGATE IT: What is the relationship between the sides and angles of any triangle?

Resize the triangle above as you answer the questions to be sure that your answers are true.

1. What is the name of the side that is opposite <A?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

2. What is the name of the side opposite <B?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

3. What is the name of the side opposite <C?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

4. Locate the largest angle in your triangle above. Is the largest side of your triangle across from it?

Select all that apply
  • A
  • B
Check my answer (3)

5. Locate the smallest angle in your triangle above. Is the smallest side across from it?

Select all that apply
  • A
  • B
Check my answer (3)

6. What can you say about the relationship between the sides and angles of a triangle?

Check my answer

STILL CONFUSED?

Angle-Side Relationship Theorem

Angle-Side Relationship Theorem

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