Solution: Acute angled triangle can be formed by connecting the diagonal of three adjacent faces of the cube. The number of ways three adjacent faces can be chosen is (6x4x2)/(3x2x1) = 8 So the total number of acute angled triangle is 8.
Solution: Acute angled triangle can be formed by connecting the diagonal of three adjacent faces of the cube. The number of ways three adjacent faces can be chosen is (6x4x2)/(3x2x1) = 8 So the total number of acute angled triangle is 8.
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