lesliealaves16
24.03.2020 •
Mathematics
A pentagon has angle measures of 12x°, 7x°, 16x°, 9xº, and 10x°. Find the
value of x.
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Ответ:
10
Step-by-step explanation:
one interior angle in a pentagon is 108^o.
5 interior angles are 540^o.
If we add 12+7+16+9+10, we get 54x=540^o
That means x=10
Ответ: