a. 30 degrees b. 60 degrees c. 90 degrees d. 120 degrees
2006-12-06 07:22:27 · 5 answers · asked by hnbjn 1 in Education & Reference ➔ Homework Help
120
2006-12-06 07:25:23 · answer #1 · answered by fly_girl_pc12 2 · 0⤊ 0⤋
Since each interior angle is 60 degrees, each
exterior angle is the supplement of a 60 degree
angle or 120 degrees.
2006-12-06 07:27:23 · answer #2 · answered by steiner1745 7 · 0⤊ 0⤋
d. 120 degrees
The exterior angles of any polygon always add up to 360 degrees, and since an equilateral triangle has three exterior angles, each one must be 120 degrees.
2006-12-06 07:26:00 · answer #3 · answered by Abbey 3 · 0⤊ 0⤋
Equi are 60 degrees. 3 X = 180, so x = 60, interior. Then the line is 180 degrees. 180 - 60 = 120.
So easy.
2006-12-06 07:25:09 · answer #4 · answered by Julio Cesar C 2 · 0⤊ 0⤋
d 120 degrees just add the 2 opposite interior angle measures.
2006-12-06 07:27:59 · answer #5 · answered by Anonymous · 0⤊ 0⤋