determine the angles of each of the following triangles
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19
Answer:
one angle is.....
180-150=30° (linear pair)
now.....
2x+3x+30=180
5x+30=180
5x=180-30
x=150/5
x=30°
so.....
2x=2*30=60°
3x=3*30=90°
Answered by
1
Answer:
2x +3x = 150 exterior angle property of triangle
5x = 150
x= 150/5
x= 30
then the two angles are:-
2x= 2*30= 60
3x= 3*30=90
Now
Let the required angle be x
60+ 90 +x =180 angle sum property of triangle
150+ x = 180
x= 180- 150
x= 30 Ans.
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