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In Fig., the value of y is

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in Lines and Angles by (38.0k points)
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In Fig., the value of y is

A. 20°

B. 30°

C. 45°

D. 60°

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1 Answer

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Best answer

3x + y + 2x = 180°(Linear pair)

5x + y = 180°(i)

From figure,

y = x (Vertically opposite angles)

Using it in (i), we get

5x + x = 180°

6x = 180°

x = 30°

Thus,

Y = x = 30°

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