Plz plz just me i really need on these

∠1 = 140

∠2 = 40

∠3 = 65

∠4 = 75

 ∠5 = 115

Step-by-step explanation:

3) ∠1 =  80 + 60       { Exterior angle of a triangle is equal to the sum of            opposite interior angles}

∠1 = 140

∠1 = 140

∠2 + ∠1   = 180    {linear pair}

         ∠2 = 180 - 140 = 40

∠2 = 40

∠4 + 105 = 180     {linear pair}

       ∠4 = 180 - 105 = 75

∠4 = 75

∠2 + ∠3 = 105   { Exterior angle of a triangle is equal to the sum of            opposite interior angles}

40 +  ∠3 = 105

        ∠3 = 105 - 40 = 65

∠3 = 65

 ∠5 =   ∠4 + 40  

        ∠5 = 75 + 40  = 115

 ∠5 = 115

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant