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

Results 1 to 3 of 3

- June 21st 2007, 06:42 PM #1

- Joined
- Jun 2007
- Posts
- 60

## 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, 07:44 PM #2

- Joined
- Nov 2005
- From
- New York City
- Posts
- 10,616
- Thanks
- 10

- June 21st 2007, 08:27 PM #3