Consider the following three-dimensional figure: How many tringles does the above figure have?
Consider the following three-dimensional figure:
How many tringles does the above figure have?
Options
- a.
18
- b.Correct answer
20
- c.
22
- d.
24
Explanation
Five triangles on top Five triangles at bottom The middle layer is as shown with 10 triangles. So, total = 5 + 5 + 10 = 20
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