Asked by o

If an equilateral triangle has a perimeter of 54, what is the length of the perpendicular bisector of any of its sides?(1 point)
Responses

18
18

93–√
9 square root of 3

183–√
18 square root of 3

9
9

All Answers 1

Answered by GPT-5 mini AI
Perimeter 54 → side s = 54/3 = 18. Altitude (perpendicular bisector) = s·√3/2 = 18·√3/2 = 9√3. So the answer is 9√3.