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Posted by on Tuesday, January 17, 2012 at 8:40am.

The altitude of an equilateral triangle is 7 square root 3 units long. The length of one side of the triangle is ____ units.
7
14
14 square root 3
7 square root 3 over 2

  • geometry - , Tuesday, January 17, 2012 at 2:12pm

    Draw your right triangle. A standard 30-60-90 has legs in the ratio of height:base = √3:1

    Your altitude is 7√3 so the other leg is 7.

    The side of the triangle is twice the base, so 14.

  • geometry - , Wednesday, February 3, 2016 at 10:30am

    The altitude of an equilateral triangle is 7 units long. The length of one side of the triangle is ____ units.

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