- A6
- B18
- C12
- D9
Step-by-Step Solution
Every triangle has the top vertex and its base on one of the 3 horizontal lines. Each horizontal line is cut by the 4 lines from the apex in 4 points, giving bases. Total .
Answer: B) 18
A triangle has two lines drawn from its top vertex to the base and two lines drawn parallel to the base, as shown. How many triangles are there in the figure?
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