Question

in triangle ABC AB⅔+BCis greater than AC​

Answer 1

Answer

x=20

y=140

Step-by-step explanation:

sum of all triangles in a triangle =180

so,40+4x+3x=180

7x=180-40

x=140/7

x = 20

4x=4x20=80

3x=3x20=60

external angle is equal to sum of two internal opposite angle

so,y=80+60=140