Question

please give me answer​

Answer 1

40+3x+4x= 180
7x=180-40
X=140/7=20
3x=3(20)=60
4x=4(20)=80
Answer : option A 80
Hope this would help you ! ☺️

Answer 2

Answer:

40,60,80

Step-by-step explanation:

$angle \: a \: = 40 \: degree \: \\ angleb = 4x \: angle \: c = 3x \\ 40 + 4x + 3x = 180 \\ 7x = 180 - 40 \\ x = \frac{140}{7} = 20 \\ 4x = 4 \times 20 = 80 \\ 3x = 3 \times 20 = 60$