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An equilateral triangle has sides 10 cm in length.
Calculate the perpendicular height of the
triangle. (to nearest mm)
Help please

Respuesta :

devishri1977

Answer:

86.6 mm

Step-by-step explanation:

Finding the height of equilateral triangle:

side = 10 cm

            [tex]\sf \boxed{h = \dfrac{\sqrt{3}}{2}*side}[/tex]

                 [tex]\sf = \dfrac{\sqrt{3}}{2}*10\\\\= 1.732 * 5\\\\= 8.66 \ cm[/tex]

                  = 8.66 * 10

                  = 86.6 mm

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