Lackland AFB - Main BX Lackland AFB TX Main Base Exchange san antonio TX 78236. Hours (Opening & Closing Times): Mon: 8:00 AM-9:00 PM Tue: 8:00 AM-9:00 PM Wed: 8:00 AM-9:00 PM Thu: 8:00 AM-9:00 PM Fri: 8:00 AM-8:00 AM Sat: 8:00 AM-9:00 PM Sun: 10:00 AM-8:00 PM. Phone Number: 800-782-7282.
Polygons are many-sided figures, with sides that are line segments. Polygons are named according to the number of sides and angles they have. The most familiar polygons are the triangle, the rectangle, and the square. A regular polygon is one that has equal sides.
A 5-sided polygon, 5. 6-sided, 9. By induction, an n-sided polygon has 'n*(n-3)/2' diagonals. n is how many sides a shape has. sâ¦o, (7)*(7-3)/2 now we have, 7*4/2 so, 28/2 = 14 Therefore, a 7-sided polygon would have 14 diagonals.