Ellen's teacher wants her to draw a triangle. She starts by drawing a line 10 centimeters long and two angles, 40° and 70°. What will the third angle measure?
A) 40°
B) 50°
C) 60°
D) 70°
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Home » Mathematics » Ellen's teacher wants her to draw a triangle. She starts by drawing a line 10 centimeters long and two angles, 40° and 70°. What will the third angle measure? A) 40° B) 50° C) 60° D) 70°