Find measures in a triangle

1
EXAMPLE 2
Find measures in a triangle
2
for Example 2
GUIDED PRACTICE
SOLUTION
3
for Example 2
GUIDED PRACTICE
SOLUTION
No it is not possible for an equilateral
triangle to have angle measure other then 60.
Because the triangle sum theorem and the fact
that the triangle is equilateral guarantees the
angle measure 60 because all pairs of angles
could be considered base of an isosceles triangle