The probability of an event is the ratio of the number of equally likely oucomes of a trial which are favourable to that event, and the total number of outcomes.
Perimeter
A cuboid.
It is 690
hey!
A triangular pyramid.
pi times the radius squared
When a figures opposite sides are not the same.
triangle
easy!!FIQURE it OUT your SELF NOW
A rhombus
You can go to ask.com or google.com
A 30-sided polygon is a tricontagon.