Question

# In the figure below, x = 30∘. Find the value of (6y – 3x) in degrees. 150

Solution

## The correct option is A 150Given, x=30∘, So, 2x=60∘ Also, 2x+3y=180∘  (linear pair) Replacing x in the above equation, 60∘+3y=180∘ 3y=120∘ y=40∘ The value of 6y−3x =6(40)−3(30) =240∘ −90∘  =150∘

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