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21.
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Find
the number of triangles in the given figure.
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Answer: Option D
Explanation:
The figure may be labelled as shown.
The simplest triangles are EFH, BIC, GHJ,
GIJ, EKD and CKD i.e. 6 in number.
The triangles composed of two components each
are ABJ, AFJ, GCK, GEK, CED arid GHI i.e. 6 in number.
The triangles composed of three components
each are GCD, GED, DJB and DJF i.e. 4 in number.
The triangles composed of four components
each are ABF and GCE i.e. 2 in number.
The triangles composed of five components
each are ABD and AFD i.e. 2 in number.
There is only one triangle i.e. FBD composed
of six components.
Total number of triangles in the figure = 6 +
6 + 4 + 2 + 2 + 1 = 21.
Title :
Analytical Reasoning Q21
Description : 21. Find the number of triangles in the given figure. A. 16 B. ...
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