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Minimum time at which at least K out of N circles expanding 1 unit per second overlap

Last Updated: 18 January 2022

Given N points on a 2D infinite plane, where each point represents the center of a circle initially having a radius of 0 which expands at a constant rate of 1 unit per sec...read more

Sum of area of alternative concentric circle with radius 1,2,3,4..........N

Last Updated: 20 January 2022

Given that Concentric circle of radii 1,2,3,4..........N cm are drawn. The interior of the smallest circle is colored white and angular regions are colored alternately gre...read more

Circumference Formula

Last Updated: 13 August 2024

The Circumference Formula is crucial in geometry, especially when dealing with circles and related shapes. This article dives deep into the concept of the circumference, i...read more

Last Updated: 14 June 2024

Arc Length is defined as the distance between the two points placed on the circle's circumference and measured along the circumference. Arc length is the curved distance a...read more

Last Updated: 10 April 2025

Radius of Circle: The radius of a circle is the distance from the circle's center to any point on its circumference. It is commonly represented by 'R' or 'r'. The radius i...read more

Area of intersection of two Circles

Last Updated: 23 November 2022

Given the coordinates of the centers of two circles (X1, Y1) and (X2, Y2) as well as the radii of the respective circles R1 and R2. Find the floor of the area of their int...read more

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Segment of a Circle

Last Updated: 25 April 2024

Segment of a Circle is one of the important parts of the circle other than the sector. As we know, the circle is a 2-D shape in which points are equidistant from the point...read more

Last Updated: 07 April 2025

Diameter of a Circle is a line that travels through the centre and intersects the circumference at opposing ends. In other terms, the diameter of a circle is the line that...read more

Last Updated: 12 August 2024

Arc of a Circle is a part of the circumference of a circle or we can also say the Arc of a Circle is some percentage of the circle's circumference. As we know, a circle is...read more

Last Updated: 07 November 2023

Area of a Quadrant is defined as the one-fourth space of a circle as a Quadrant is the one-fourth part of a circle. A circle is defined as the locus of a considerable numb...read more

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Concentric Circles

Last Updated: 11 June 2024

Concentric circles are defined as two or more circles that share the same center point, known as the midpoint, but each has a different radius. If circles overlap yet have...read more

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Secant of a Circle

Last Updated: 20 March 2024

Secant of a circle is a fundamental concept in geometry that can be described as a straight line intersecting the circle at two distinct points. In this article, we will u...read more

5 Ways to Calculate the Area of a Circle

Last Updated: 07 April 2025

In this article, we'll delve into five methods for calculating the area of a circle: using the radius, diameter, circumference, sector, and segment. Along the way, we'll c...read more

Last Updated: 22 April 2025

A circle is a set of all points equidistant from a fixed point called the Centre. It is one of the most fundamental shapes in geometry and is widely used in real-life appl...read more

Annulus: Shape, Definition, Formulas

Last Updated: 21 March 2025

The term 'annulus' comes from the Latin word annuli, meaning 'little ring.' An annulus is a flat, plane figure formed between two concentric circles, creating a ring-like ...read more