Question

the three angles of a quadrilateral are 105

, 93

and 85

then the measure

of the fourth angle is
step by step and get the braniest​

Answer 1

Answer:

105+93+85+x=360°(angel sum property)

283 +x=360

x=360-283

x=73°

therefore the fourth angle is 73°

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Answer 2

Answer:

ans:77°

Step-by-step explanation:

since, the sum of all angles in a quadrilateral is 360°

sum of the 3 angles = 105+93+85=283

360-283=77

there fore the 4th angle is 77°