Math Problem Statement

Which shapes below are similar to triangle T? Choose all of the correct answers.

Solution

To determine which triangles are similar to triangle T, we need to analyze both their shapes and proportions. Triangles are similar if they have the same shape, which means their corresponding angles are equal, and their sides are proportional.

Step-by-step breakdown:

  1. Triangle T is a right-angled triangle with one side adjacent to the right angle being longer than the other.
  2. For triangles to be similar to T, they must also be right-angled, with similar proportions of their sides.

Analyzing the shapes:

  • Triangle A: This is a right-angled triangle, but the proportions are not the same as Triangle T (the sides are not proportional).
  • Triangle B: This triangle has the same angle structure as Triangle T but is a scaled-up version. Similar to T.
  • Triangle C: This appears to be the same shape and orientation as Triangle T, just larger. Similar to T.
  • Triangle D: This is a right-angled triangle, but it is slanted in a way that does not correspond to the proportions of triangle T. Not similar.
  • Triangle E: This is not a right-angled triangle, so it cannot be similar to T.
  • Triangle F: Like Triangle C, it has the same shape as T, just rotated. Similar to T.

Conclusion:

The triangles that are similar to triangle T are B, C, and F.

Would you like further details on similarity or any other questions? Here are some questions that expand on this information:

  1. What are the key criteria for triangle similarity?
  2. How can we determine the proportionality of sides in similar triangles?
  3. Why are right angles important when comparing triangle similarity?
  4. How does scaling affect the similarity of triangles?
  5. Can a triangle be similar to another if one of its angles is different?

Tip: When comparing shapes for similarity, always check both angle equivalence and the ratio of corresponding side lengths.

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Math Problem Analysis

Mathematical Concepts

Geometry
Triangle Similarity
Proportions
Right-Angle Triangles

Formulas

Proportionality of sides in similar triangles
Angle equivalence

Theorems

Angle-Angle (AA) Similarity Theorem
Right Triangle Proportions

Suitable Grade Level

Grades 6-8