Answer:
a) 160°
b) 18 sides
Step-by-step explanation:
Interior angle = 180 - exterior
= 180 - 20 = 160°
Each angle of a regular polygon:
[(n-2)×180]/n = 160
180n - 360 = 160n
20n = 360
n = 18
Alternate approach for no. of sides:
360/n = each exterior angle
360/n = 20
n = 360/20 = 18
Answer:
Yes.
Step-by-step explanation:
<h3 /><h3>

</h3><h3>[ Multiply all digits and variables according to there same value ]</h3>
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em><em> ❤️</em>
Apply in this order Ι-15Ι - 33÷11= 15-3=12
Good luck!!!
Answer:
B
Step-by-step explanation:
2.3 is being cancelled out.