Properties of Angles Formed by Two Parallel Lines and a Transversal
Find the valu...
Question
Find the value of x in given figure. where AB∥CD and EF is a transversal.
A
45o
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B
65o
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C
75o
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D
55o
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Solution
The correct option is C55o As angle (x+5) and (2x+10) are co interior angle and AB∥CD ∴(x+5)+(2x+10)=180o (sum of co-interior angle is 180o) 3x+15=180o 3x=165o x=1653=55o