Volume of a cylinder = pi*radius2*height
There are plenty of mathematic projects available to make. You could show the effects of addition by creating an ant farm and showing what happens when you have two populations that combine.
Fibonacci study trigonometry it is dealing with trangles
If they are present in the expression you need to use them to evaluate the expression, if they are not, you don't. You would not use any of them - at least not explicitly - to evaluate sqrt[ln(pi)], for example.
cos(a)cos(b)-sin(a)sin(b)=cos(a+b) a=7pi/12 and b=pi/6 a+b = 7pi/12 + pi/6 = 7pi/12 + 2pi/12 = 9pi/12 We want to find cos(9pi/12) cos(9pi/12) = cos(3pi/4) cos(3pi/4)= cos(pi-pi/4) cos(pi)cos(pi/4)-sin(pi)sin(pi/4) cos(pi)=-1 sin(pi)=0 cos(pi/4) = √2/2 sin(pi/4) =√2/2 cos(pi)cos(pi/4)-sin(pi)sin(pi/4) = - cos(pi/4) = -√2/2
The billionth digit of pi is 9. http://www.geocities.com/ultrastupidneal/Knowledge-Mathematic-Fact.html
Yummy Pi!
circumference=pi*diameter so diameter=circumference/pi 36/pi=11.4591559
None On Next Expression: a = pi(r squared)
Pi is about 3.14159265. You can round that to as many or as few significant digits are are appropriate for a particular application.
There are pi radians in a half of a circle, or in 180 degrees.
The volume of a cylinder is PI * R2 * H If H is the same as R, then it is PI * R3 (Or PI * H3)
The circumference is 2 x pi x radius.
Not necessarily. To simplify means to replace a mathematic expression with something equivalent, but simpler. This may involve subtracting in some cases, but simplifying may involve other operations as well.
The circle's length (or circumference) is determined with the expression C=D(pi).
It is a rational number.
Area = 4*pi*r^2