I believe it is 8,459,999,894,000,001
Answer:
An 18 sided shape.
Since the sum of the exterior angles of a polygon is 360° and an angle of the regular polygon is 20°, then 360° / 20° is the number of sides. We find the answer = 18, an octadecagon
Answer:
Step-by-step explanation:
n - 4 < 5
n < 9
Answer:
Step-by-step explanation:
<h3>Given GP with:</h3>
<h3>To find</h3>
<h3>Solution</h3>
<u>Formula of sum:</u>
<u>Substitute values:</u>
- S7 = 10((-2)^7 - 1)/(-2 - 1) = 10(- 128 - 1)/(-3) = 10*129/3 = 430