ABC is an equilateral triangle. O is the point of intersection of altitudes AL, BM and CN. If OA = 16 cm, then what is the semi-perimeter (in cm) of the triangle ABC?

ABC is an equilateral triangle. O is the point of intersection of alti

1.	ABC is an equilateral triangle. O is the point of intersection of altitudes AL, BM and CN. If OA = 16 cm, then what is the semi-perimeter (in cm) of the triangle ABC?
A.	8√3
B.	12√3
C.	16√3
D.	24√3
Answer» E.

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ABC is an equilateral triangle. O is the point of intersection of altitudes AL, BM and CN. If OA = 16 cm, then what is the semi-perimeter (in cm) of the triangle ABC?

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