Question
The exterior angle at the vertex formed by the equal sides of an isoceles triangle is 140 degrees. Which are the measures of the exterior angles at the other verticies
A ) 140 degrees and 80 degrees
B ) 110 degrees and 110 degrees
C ) 40 degrees and 40 degrees
D ) 40 Degrees and 90 degrees
A ) 140 degrees and 80 degrees
B ) 110 degrees and 110 degrees
C ) 40 degrees and 40 degrees
D ) 40 Degrees and 90 degrees
Answers
Damon
interior = 180 - 140 = 40
40 + 2 x = 180
2x = 140
x = 70
180 - x = 110
40 + 2 x = 180
2x = 140
x = 70
180 - x = 110
Silva
Which one is it?
Silva
Is it B?
Anonymous
110