I need help with 12 and 13 pls!
2 answers:
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Answer:
The m∠ U is 72°.
Step-by-step explanation:
Given:
To find :
Solution:
The sum of the measures of the interior angles of a polygon with 'n' sides is given as
Here we have n = 5 on substituting the values we get
Therefore,
m∠ U is 72°.
Your answer, in your set notation, is
{-2, 7}
{-2, 7}