1.

In the given figure, value of x =A) 8° B) 7° C) 10° D) 5°

Answer»

Correct option is (A) 8°

\(\because\) \(40^\circ+6x+2^\circ=90^\circ\)

\(\Rightarrow\) \(6x=90^\circ-40^\circ-2^\circ\)

\(=90^\circ-42^\circ=48^\circ\)

\(\Rightarrow\) \(x=\frac{48^\circ}6=8^\circ\)

Correct option is  A) 8°



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