Question

*Adjacent angles of parallelogram are of measure 2x & 7x then find the value of 'x'.*

Answer 1

Answer:

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Answer 2

Answer:

Note:First understand that adjacent angles are supplementary i.e their sum is 180°.

Hence,

2x+7x=180°

9x=180°

$x = \frac{180}{9}$

x=20°