Handshakes
In preparation for the ACT...
Does any one remember the handshake formula that we learned last year?
Also: what's the formula for the degree of each angle in a regular polygon (based on the number of sides)?
Thanks
Does any one remember the handshake formula that we learned last year?
Also: what's the formula for the degree of each angle in a regular polygon (based on the number of sides)?
Thanks
posted by Casey Blue at 2:49 PM
3 Comments:
Handshake Formula
(n(n-1))/2
Angle Measure of regular Polygon
(180(s-2))/s
Total Angle Measure for Regular Polygon with Sides (s)
180(s-3)
I can't remember all those angle measure formulas, so everytime when i deal with this type of problem, i will do the following:
since the total exterior angle measure for any regular polygon = 360 degrees, any one of the exterior angle for regular polygon with sides s = 360/s. Then any one of the interior angle of this polygon = 180-360/s.
I hope this can help you a little bit. (it works for me!)
thanks!
Post a Comment
<< Home