the sum of 3 angles of a quad is 5 times the fourth angle.find the fourth angle.
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5a + a = 180°
6a = 180°
Therefore, a = 30°
6a = 180°
Therefore, a = 30°
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1
let x, y, z,a be 1st, 2nd, 3rd, 4th angle so x+y+z=5a
x+y+z+a=360
5a+a=360
6a=360
a=360/6
a=60 degree
x+y+z+a=360
5a+a=360
6a=360
a=360/6
a=60 degree
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