1.

Find the sum of angles of a polygon which have 10 sides

Answer»

Answer:

It is 1440°

Step-by-step explanation:

A decagon is a 10-sided polygon, with 10 interior angles, and 10 VERTICES which is where the sides meet. A regular decagon has 10 equal-length sides and equal-measure interior angles.

Each angle MEASURES 144° and they all ADD up to 1,440°

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