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5. The angles of a quadrilateral

The angles of a quadrilateral are in the ratio

$2:4:5:7$ . Find all the angles.

$20^\circ$ , $40^\circ$ , $60^\circ$ and $70^\circ$
$30^\circ$ , $60^\circ$ , $80^\circ$ and $100^\circ$
$40^\circ$ , $80^\circ$ , $100^\circ$ and $140^\circ$
$40^\circ$ , $85^\circ$ , $120^\circ$ and $150^\circ$

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