GATE EE 2023 Set 1 — Question 5
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General Aptitude → Spatial Aptitude → 2D & 3D Patterns
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Question
How many triangles are present in the given figure?
Correct answer
(C) 20
Solution
To find the total number of triangles in the figure, we can count them systematically based on their size:
1.Smallest individual triangles: There are 12 small triangles that do not contain any other triangles inside them.
2.Triangles composed of 2 smaller triangles: There are 4 such triangles formed by combining two adjacent small triangles to form a larger triangular shape.
3.Triangles composed of 4 smaller triangles: There are 4 larger triangles, each made up of four of the smallest triangles.
Total number of triangles = .Thus, the correct option is (C).Continue learning with Success Tracker
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