SOLUTION: an equilateral triangle of side length of 6cm is cut from a sheet of cardboard. a circle is hen cut out of the triangle leaving a hole of diameter of 2 cm what is the cardboard rem

Question 985413: an equilateral triangle of side length of 6cm is cut from a sheet of cardboard. a circle is hen cut out of the triangle leaving a hole of diameter of 2 cm what is the cardboard remaining
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
That triangle is composed of two 30-60-90 special triangles.

The equilateral triangle has area, before the circular cut, of .

Cut out the circular piece from the interior,

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