Question

please solve the two questions with step by step method....​

Answer 1

sum of angles in triangle is 180

1 ) 2x+3x+4x=180

9x=180

×=20

2x=40

3x=60

4x=80

2) angle in equilateral triangle is 60

x+42=60

x=18

4x-12=60

x=18

3x+6=60

x=18

Answer 2

2=40;3=60;4=80

Step-by-step explanation:

sum of 2+3+4=9

=2÷9×180=40

=3÷9×180=60

=4÷9×180=80