How many triangles are there in the given figure?
A18
B19
C20
D21
how is this 20? I am getting 19
Ans 1:
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Ans 3:
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Class : Class 3
c c c c c c c c c c c c c c c c c c c c c c c c c c c cc c c cc c c c c c c c c c c c c c c c c c c c c c c c c
Ans 4:
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Class : Class 4
answer is D.
8 triangles in rectangle and 6 triangles in big triangle.
4 triangles in right, 1 is straight on big triangle and two in coloured rectangle.
so, 8+6+4+1+2=21