Question

if the three angle of quad are 30 , 75 and 85 then find fourth angle ​

Answer 1

Step-by-step explanation:

Here is ur ans

let the angle be x

30+75+85+x=360

105+85+x=360

190+x=360

x=360-190

x=170

Samje

Answer 2

Answer:

170

Step-by-step explanation:

angle A,B,C,D of quadrilateral = 360°

=> A+B+C+D= 360°

=> 30+75+85+B = 360

=> 190+ B = 360

=> B = 360-190

=> B = 170

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