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donuteatingcat
05.05.2020 •
Mathematics
The interior angles of a quadrilateral are 2x+15 2x-5 3x+75 3x-25 find x and the smallest interior angle largest interior angle and smallest exterior angle
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Ответ:
Step-by-step explanation:
We know sum of the interior angles of a quadrilateral is![360^{\circ}](/tpl/images/0636/3820/71e89.png)
therefore we can write
so
So smallest interior angle is![(2x-5)^{\circ}=(60-5)=55^{\circ}](/tpl/images/0636/3820/3da2c.png)
Largest interior angle![=3x+75=90+75=165^{\circ}](/tpl/images/0636/3820/7d0a5.png)
Ответ:
1-1/3=0.66666666….
0.67*4= 2.68