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Four of the interior angles of a pentagon are 2xº. The fifth angle is xº. Work out the value of xº.
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Four of the interior angles of a pentagon are 2xº.

The fifth angle is xº.
Work out the value of xº.

User Fkreusch
by
4.3k points

1 Answer

6 votes

Answer:

20°

Explanation:

2x°+2x°+2x°+2x°+x°=180°

8x°+x°=180°

180°=9x°

Dbs by 9

x°=20°

User Jemenake
by
5.1k points
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