4- 3-
2+
1+
HI
+ 1 2 3 4 5 6 7 8 9 1011
-5-4-3-2
-2+
-3+
-4+
-5+
-6-
-7+
-8-1

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?