2
Question
Using the figure given below, find the value of x. (Assume all values are given in degrees)
Using the figure given below, find the value of x. (Assume all values are given in degrees)
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Solution
The correct option is B 10
Since the lines given in the figure are parallel lines being cut by a transversal, x and 3x-20 are forming Exterior Alternate angles.
Exterior Altenate angles are equal in measure. .
Therefore,
x= 3x-20
3x - x= 20
2x = 20
x = 10
Hence x = 10∘
Since the lines given in the figure are parallel lines being cut by a transversal, x and 3x-20 are forming Exterior Alternate angles.
Exterior Altenate angles are equal in measure. .
Therefore,
x= 3x-20
3x - x= 20
2x = 20
x = 10
Hence x = 10∘
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