To work out the area of a circle, you have to learn something called 'PIE'or 'PI' in Greek. Pie = 3.14. Search 'What is pie?' on this to find out the next part...
perimeter of a circle = pie *r^2 Hence r^2 = perimeter/ pie hence r = (perimeter/Pie)^1/2 Hence diameter = 2r= 2* ( perimeter?pie) ^1/2
Find the radius of the circle (if it gives you the diameter just half it to get the radius) and then square it. Then times your answer by pie. So the formula is: A= pie (r squared) P.S. Sorry I couldn't get the mathematical symbols!
by using formula 2. pie. r
The mode is the most occurring value. The highest percentage in the pie chart (circle graph) is your mode.
In order to find the diameter of a circle if you have the area is to rearrange the formula for the area of a circle to put diameter as the unknown, like so: PIE*d = Area of a Circle d = (Area of a Circle) / PIE Therefore if the area of your circle is 40cm, 40/PIE = 12.73cm and that's the diameter.
Pie r2 is the formula needed to find out the area of a circle you have to square the radius of the circle (half the diameter of the circle) two times (btw square means times the number by it self) and times the answer by pie which is 3.14
The area of a circle is π (Pi) times the Radius squared.
2 x pi x the radius of the circle
Divide pie(3.14) from your circumference.
To work out the area of a circle, you have to learn something called 'PIE'or 'PI' in Greek. Pie = 3.14. Search 'What is pie?' on this to find out the next part...
find the radius and times it by pie 3.1415 and so on.
No
perimeter of a circle = pie *r^2 Hence r^2 = perimeter/ pie hence r = (perimeter/Pie)^1/2 Hence diameter = 2r= 2* ( perimeter?pie) ^1/2
Find the radius of the circle (if it gives you the diameter just half it to get the radius) and then square it. Then times your answer by pie. So the formula is: A= pie (r squared) P.S. Sorry I couldn't get the mathematical symbols!
the value of pie is ALWAYS 3.14 The deliciousness of pie gives it it's value. In mathematical terms, pi is the ratio of the circumference to the diameter of a circle.
Cherry Pie is delicious.C= πd