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Standard XI
Applied Mathematics
General equation of a line
Question
Mark the correct alternative of the following.
In figure, if AB is parallel to CD and EF is a transversal, then $$x=?$$
A
$$15.9$$
B
$$49$$
C
$$29$$
D
$$39$$
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Solution
Verified by Toppr
Correct option is A. $$15.9$$
We can write, $$(4x + 17) + (7x - 12) = 180^o$$ (Interior angle)
$$4x + 17 + 7x - 12 = 180^o$$
$$11x + 5 = 180^o$$
$$11x = 180^o - 5$$
$$11x =175$$
$$x =15.9^o$$
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