Equilateral triangle ABC has a perimeter of 96 millimeters. A perpendicular bisector is drawn from angle A to side BC at point M.
What is the length of MC?
16 mm
0 24 mm
O 32 mm
O 48 mm

Correct option: First one -> 16 mm

Step-by-step explanation:

The equilateral triangle has its three sides with the same length.

So if the perimeter is 96 mm, we have:

The segment MA is the height of the equilateral triangle, and its length can be calculated with the equation:

Using the Pythagoras' theorem in the triangle ACM, we have:

Correct option: First one

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step-by-step explanation: