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What's the angle sum of a straight line?
How do I solve for that?
|dw:1358998103844:dw| 180 - 130 = θ 180 - 73 - θ = x
Just tell me what the angle sum is for a straight line.
@alexeis_nicole Nice. Now she can copy the answer without understanding what just happened.
i think thats it
Yes. So if the angle sum of a straight line is 180, then how would you find the angle beside 130
@ashishthomas7 so it's 57?
OH. THAT WAS EASY. I FORGOT ABOUT THIS LOL. Sorry guys.
@marcoduuuh What's the triangle property that allowed you to find that it was 57?
@ashishthomas7 Could you not give answers away and actually allow others to understand what's going on?
Do you know the property, exterior angle of a triangle?
and now applying that angles in a triangle add upto 180 x+73+180-130=180
θ and 130 are supplementary angles. so to find θ we need to subtract 130 from 180. we also know that a whole triangle equals 180 degrees. so once we find θ, we are able to subtract our known valus within the triangle to find x :)
@ashishthomas7 Already taught you a faster way to solving it using exterior angle of a triangle. \[73+x=130\]
thats wat i used first.... @Azteck
That's why I said your name. Are you derping or something?
All you did was put out an equation without telling how you got it.
i aslo told that after i writing the eqn scroll upward and luk...
Stahp trollin @Azteck brah.
AND IT'S NOT THAT DIFFICULT. I UNDERSTOOD HOW THE EQUATION WAS MADE YOU DERP.