if one of the two opposite angle is 3x + 15 degree and other is 4x - 5 degree, then find all angles of the parallelogram?
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Answered by
12
Since , opposite angles are equal ---
3x + 15 = 4x - 5
15 + 5 = 4x - 3x
20 = x
x = 20 degree
3x + 15 = 60 + 15 = 75 Degree
let the adjacent angle to it be Y.
75 + Y = 180
Y = 180 - 75 = 105 degree
angles --
75 , 105 , 75 , 105
3x + 15 = 4x - 5
15 + 5 = 4x - 3x
20 = x
x = 20 degree
3x + 15 = 60 + 15 = 75 Degree
let the adjacent angle to it be Y.
75 + Y = 180
Y = 180 - 75 = 105 degree
angles --
75 , 105 , 75 , 105
yogi5353:
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Answered by
1
Therefore angles are 75,105,105,75.
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