I think its 149/ 490. Not sure, but pretty confident. Hope this helps.
Answer:
I don't know but use this app on your phone called mw and it should help
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
3x = 12
divide by 3
x =12/3
Answer:
40, 60 and 80 degrees.
Step-by-step explanation:
Let the smallest angle be x degrees. Then:
The 3 angles are x, x + 40 and x + 20.
As there are 180 degrees in a triangle:
x + x + 40 + x + 20 = 180
3x = 180 -40--20 = 120
x = 40 degrees.
The other 2 angles are 60 and 80 degrees.