How many triangles are there in the following diagram?

9
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15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
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15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15
How many triangles are there in the following diagram?

9
12
13
15