0
Add your answer:
Earn +20 pts
Why do you square the radius when finding the area of a circle?
Whether you are finding the area of a circle or the area of a square or any other geometrical shape, it is always the case that to go from a linear measurement (a radius, a side, or whatever) to a surface area requires you to use a square of the linear measurement; you are increasing size in two dimensions, length and width, and therefore the effect is the increase the area exponentially, not linearly.
What is the formula for finding the area of a semi circle in terms of pi?
Well the formula for a full circle is 3.14xradius squared So cut the radius in half then square it the multiple by 3.14
How do you find the area of a semi-circle radius 10cm?
πr² is the formula for finding the area of a circle. To find the area of a semicircle just divide the answer by two. So take the radius, square it, which in this case would be 100, multiply it by π [pi (3.14)] and divide it by two.
How do you get an area for a circle?
Area of a circle = Pi * radius2
If the radius of a circle is doubled what happens to the area of the circle?
the area of the circle is increased by 400%
What are everyday uses for pi?
Some of many examples are:- Finding the circumference of a circle Finding the area of a circle Finding the surface area of a sphere Finding the volume of a sphere Finding the surface area of a cylinder Finding the volume of a cylinder Finding the volume of a cone Finding the surface area of a cone
What is formula ofr finding area of a circle?
Area of a circle = pi*radius squared
What is the formula for finding circumference and area of a circle?
Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).
Why do you use the radius in the formula of finding the area of a circle?
Area of circle = pi*(radius)2
What is pi used for in geometry?
Some of the many applications that pi is used in geometry are as follows:- Finding the area of a circle Finding the circumference of a circle Finding the volume of a sphere Finding the surface area of a sphere Finding the surface area and volume of a cylinder Finding the volume of a cone
What is an example of finding the area of a circle?
potatoes
Why is pi important in layman term?
The circumference of a circle divided by its diameter is the value of pi and pi has a wide range of uses some of which are:- Finding the volume of a sphere Finding the surface area of a sphere Finding the volume of a cone Finding the volume of a cylinder Finding the area of a circle Finding the circumference of a circle
What is the formula for finding the area for a circle?
go to the related link below Titled (Calculate the Area of a Circle).
When finding the area of a circle is the answer squared?
The area of a circle is measured in square units. The formula is: pi*radius2
Is the formula for finding the area of an oval the same as the formula for finding the area of a circle?
No because the formula for finding the area of an oval, which is an ellipse, is quite different
Formula for finding the area if you have radius?
Area of a circle = pi*radius2
What are 3 uses of pi?
Finding the area of a circle: pi*radius2 Finding the circumference of a circle: 2*pi*radius or diameter*pi Finding the surface area of a sphere: 4*pi*radius2
