- A35
- B41
- C44
- D48
Step-by-Step Solution
Side 1: 15 up + 10 down = 25. Side 2: 10 up + 3 down = 13. Side 3: 6. Side 4: 3. Side 5: 1. Total .
Answer: D) 48
A triangular pattern has five rows of small triangles. Count every triangle in it, whatever its size.
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