In the figure below,ABCis an equilateral triangle. In order to havem= 60 degrees, which condition is necessary? think it is n=60 or

CDEis an equilateral triangle.

CDEis an isosceles triangle.

n= 60 degrees

n= 90 degrees

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- June 21st 2007, 05:42 PM #1

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## what is necessary for m to be 60?

In the figure below,*ABC*is an equilateral triangle. In order to have*m*= 60 degrees, which condition is necessary? think it is n=60 or

*CDE*is an equilateral triangle.

*CDE*is an isosceles triangle.

*n*= 60 degrees

*n*= 90 degrees

- June 21st 2007, 06:44 PM #2

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- June 21st 2007, 07:27 PM #3