The number of lines of symmetry
The number of lines of symmetry in a 45o - 45o - 90o set-square is (A) 0 (B) 1 (C) 2 (D) 3
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The number of lines of symmetry in a 45o - 45o - 90o set-square is (A) 0 (B) 1 (C) 2 (D) 3