A) \[\frac{7}{10}\] of the triangles have lines.
B) \[\frac{7}{20}\]of the triangles have dots.
C) Half of the triangles are blank.
D) All of these
Correct Answer: B
Solution :
Total number of triangles in the figure = 20 Number of triangles having dots = 7 So, fraction of triangles having dots \[=\frac{7}{20}.\] Total number of triangles having lines = 7 So, fraction of triangles having lines \[=\frac{7}{20}\] Also, total number of triangles which are blank \[=6\] So, fraction of blank triangles \[=\frac{6}{20}\]
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