What is the number of units by which the circumference of the circle is increased if the radius of a circle increases by X units?

GMAT Question The circumference of the circle will therefore be 2πr units. If the radius is increased by ‘x’ units, the new radius will be (r + x) units. Or the circumference increases by 2πx units.

What will happen to the length of the radius is the area is doubled?

We know the area of a circle is πr^2 where r is the radius. If the radius is doubled, say, the radius is r1 , then r1= 2r. The area of the second circle will be π(2r)^2., which is 4πr^2.So, the area will be increased by four times to that of the first one.

What happens to the area of a circle when the radius is tripled?

The area is defined as the space occupied by a flat shape or surface by an object on a two-dimensional plane. Therefore we can say that the area becomes 9 times when the radius of the circle is tripled.

How does radius relate to area?

The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.

What happens to the length of the radius of a circle if the circumference is tripled?

1 Expert Answer If you triple the radius, the circumference also triples because r and C are directly proportional.

How do you find the radius of a circle with circumference?

The radius of a circle formula when the circumference is known is: Radius = Circumference 2π Radius = Circumference 2 π. The radius of a circle formula when the area is known is: Radius =√ Area of the circle π Radius = Area of the circle π.

What is the radradius formula using area of circle?

Radius Formula Using Area of Circle: The area of a circle is the space occupied by the circle. The relationship between the radius and area is given by the formula, Area of the circle = π r 2. Here, r is the radius and π is the constant which is equal to 3.14159. The radius formula using the area of a circle is expressed as:

What is the relationship between radius and area in math?

The relationship between the radius and area is given by the formula, Area of the circle = π r 2. Here, r is the radius and π is the constant which is equal to 3.14159. The radius formula using the area of a circle is expressed as: Radius Formula = √ (Area/π) units

What is the formula to find the radius of an arc?

When the length of the chord defining the base (W) and the height (H) measured at the midpoint of the arc’s base is given, then the formula to find the radius is: Radius = (H / 2) + (W² / 8H) Find the radius of the circle whose center is O (2, 1), and the point P (5, 5) lies on the circumference.