Question:medium

Find the number of triangles in the given figure.
triangle

Updated On: Mar 26, 2026
  • 14
  • 15
  • 16
  • 18
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The Correct Option is C

Solution and Explanation

To determine the total number of triangles in the provided figure, a systematic enumeration of all discernible triangles is required. This process involves categorizing triangles by size and composition. The methodology is as follows:

  • Count Basic Triangles: Enumerate all individual, minimal triangular units within the figure, ensuring each is counted independently by observing vertex intersections.
  • Count Composite Triangles (Medium): Identify triangles formed by the aggregation of adjacent basic triangles.
  • Count Composite Triangles (Large): Recognize triangles composed of multiple basic and medium-sized triangles, encompassing larger sections of the figure.

Systematic Enumeration: A comprehensive count is achieved by summing the identified categories:

  1. Individual triangular units.
  2. Combinations of adjacent units forming distinct larger triangles.
  3. Triangles formed by significant portions of the overall figure.

Following a detailed analysis of the figure, accounting for overlapping and unique configurations, the total calculated number of triangles is 16.

Total Triangles: 16.

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