19. The sum of the angles of a triangle is 180°. If
the three angle are (2x + 15)°,85° and (x + 20°,
the value of x is
Answers
Answered by
5
Answer:
Step-by-step explanation:
since sum of all angles are is 180°
2x + 15 + 85+ x+20= 180
3x + 120= 180
3x=180-120
3x= 60
x =60÷3
x= 20°
I hope its help you
Answered by
2
Answer:
x= 20°
Step-by-step explanation:
2x+ 15 +85 + x+20 =180
3x+120=180
3x= 180 - 120 = 60
x = 60÷3 = 20°
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