if the sum of the measures of the interior angles of a polygon is twice the sum of its exterior angles, how many sides does it h
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Answer:
4
Step-by-step explanation:
You can see, the whole triangle has a height of 12, and a base of 9. The smaller triangle has a base of 3, which is of 9, and
of 12 is 4.
The new smaller triangle has a height of 4, and a base of 3.