An equilateral triangular section ABC has a base width of 80 mm and height of 60 mm. The moment of inertia about the base BC is:
1
1260 × 103 mm4
2
360 × 103 mm4
3
650 × 103 mm4
4
1440 × 103 mm4
An equilateral triangular section ABC has a base width of 80 mm and height of 60 mm. The moment of inertia about the base BC is: