answer it correctly plz answer me friends I will mark as brainalist answer
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1
Answer:
20x-30+25x-25+5x+15+4x+22 =360
54x-18=360
54x=360+18
x= 378÷54
x= 7
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Answered by
0
Answer:
as we know the sum of all angles of a quadrilateral measures 360°
therefore
(20x - 30) + (25x-25) + (5x+15) + (4x+22) = 360°
20x - 30 + 25x - 25 + 5x +15 + 4x +22 =360°
20x + 25x + 5x +4x +15 +22 -25 -30 =360°
54x - 18 = 360°
54x = 360° + 18
x = 378/54
x = 7
therefore
20x-30 = 20 × 7 - 30 = 110°
25x -25 = 25 × 7 - 25 = 150 °
5x + 15 = 5 × 7 +15 = 50°
4x + 22 = 4 × 7+ 22 = 50°
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