What is a 1/4 circle called?

The area (or) portion that is formed by two radii that are perpendicular to each other and one-fourth portion of the circumference of a circle is known as a quarter circle. This is also known as a quadrant of a circle.

Is there a word for a quarter circle?

Quadrant has my vote also. I checked in the Oxford English Dictionary and got: A quarter of a circle or circular body, viz. (a) an arc of a circle, forming one fourth of the circumference; (b) one fourth of the area of a circle, contained within two radii at right angles.

What does Quarter circle mean?

Definitions of quarter-circle. a quarter of the circumference of a circle. synonyms: quadrant. type of: line. a spatial location defined by a real or imaginary unidimensional extent.

What is a quarter of a semicircle called?

A semicircle is defined as being one half of a circle. A half of a half equals a quarter, so many people would tend to refer to the shape as a quarter-circle. The name accepted by the mathematical community though, is the quad.

What is a straight line through a circle called?

The circumference (or perimeter) of a circle is made of many points that are all the same distance (equidistant) from the centre of the circle. A chord is a straight line inside the circle that touches the circumference at 2 points but does not touch the centre of a circle. …

What is a third of a circle called?

There’s no word that I’m aware of that means a third of a circle. We have quadrant (1/4), sextant (1/6) and octant (1/8) but nothing for a third beyond the generic term: a sector. You could call it a one-third sector or a 120 degree sector.

How many degrees in a quarter of a circle?

90°
There are 90° in a quarter turn. It is a well-known fact that there are 360° in a circle.

What is 3/4 circle called?

The Quadrant and Semicircle are two special types of Sector: Quarter of a circle is called a Quadrant.

What is the centroid of a quarter circle?

⇒x+x=√π2⇒2x=√π2⇒x=y=√π4. Hence, the centroid of the quarter circle of radius 1 with the center at the origin lying in the first quadrant is (√π4,√π4) . So, the correct answer is “ (√π4,√π4) ”.

How do you find the area of a quarter circle?

To find the area of a quarter circle, just divide the area of the full circle by four.

Which is called the longest chord of a circle?

diameter
A chord that passes through the center of a circle is called a diameter and is the longest chord of that specific circle.

What is called half circle?

A semicircle is half of a circle.