if two adjacent angles of a parallelogram are {5x-5] and [10x+35] then the ratio of these angles is ?
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Answer:
ratio = 1:5
Step-by-step explanation:
because:
In a parallelogram,
adjacent angles makes a sum of 180,
5x -5 + 10x+35 = 180
15x + 30 = 180
15x = 150
x = 10
now,
put the value of x to find angles
5 * 10 - 5 = 45
10*10 + 35 = 135
and hence
ratio = 45/135 = 1/5 = 1:5
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