- A8
- B9
- C11
- D12
Step-by-Step Solution
The diagonals alone give 4 quarter triangles and 4 halves, 8. The cut-off corner is 1 triangle, and the diagonal splits it into 2 smaller ones, 3. Total .
Answer: C) 11
A square has both diagonals, and its top-right corner is cut off by a line joining the middle of the top side to the middle of the right side. How many triangles are there?
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