<u>Answer</u>:
x = 20
<u>Explanation</u>:
all the interior angles in the triangle is 180°
<u>therefore</u>:
4x - 17° + 71° + 46° = 180°
4x + 100° = 180°
4x = 180° - 100°
4x = 80°
x = 20°
The percentage of 15% of 9 is 60% (I think)
2/20 aka 1/10- hope this helped!
Answer:
D appears to be a regular polygon ..
The definition of a polygon is to have all the same angles which appears to be D
