# What is the area of a 5 inch radius?

## What is the area of a 5 inch radius?

Area =78.57 sq.in.

## Which of these is the area a circle whose radius is 5 cm?

How big is a circle with a radius of 5?

For Circles with Known Radius A circle with a radius of 5 units has a circumference of 31.416 units.

What is the area of semi circle of radius 5cm?

The area of a semicircle of radius 5 cm is 39.25 sq.cm.

### What’s the area of the radius is 6?

A = πr2 , where r is the radius of the circle …. Thus, after rounding off the answer to one decimal point, the area of the circle is 113.1 ft2 (answer choice D).

### What is the area of a 6 inch circle?

Answer: The area of a circle with a diameter of 6 units is 28.27 sq.

How do you find area?

Area is calculated by multiplying the length of a shape by its width. In this case, we could work out the area of this rectangle even if it wasn’t on squared paper, just by working out 5cm x 5cm = 25cm² (the shape is not drawn to scale).

What is the diameter of 5?

Circumferences and areas of circles with diameters in inches.

Diameter (in) Circumference (in) Area (in2)
5 3/8 16.89 22.69
5 7/16 17.08 23.22
5 1/2 17.28 23.76
5 9/16 17.48 24.30

#### What is the area of a half circle that has a radius of 10cm?

157 cm2 , 31.4 cm.

#### What is the area of the radius is 4?

16π sq. units
Answer: The area of the circle with a radius of 4 units is 16π sq. units.

Is a chord sometimes a radius?

Radius: A circle’s radius — the distance from its center to a point on the circle — tells you the circle’s size. In addition to being a measure of distance, a radius is also a segment that goes from a circle’s center to a point on the circle. Chord: A segment that connects two points on a circle is called a chord.

What is the area of a 5 inch circle?

What is the area of a circle with a DIAMETER of 5 inches (radius of 2.5 inches)? How big is a 5 inch circle? The area of a circle is pi times the square of its radius. The radius is half the diameter. The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

## How to calculate the area of a circle?

Area = π * (Diameter / 2)2 Diameter of a Circle The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

## Which is half the radius of a circle?

The radius is half the diameter or r = d 2. The diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. The diameter is twice the radius or d = 2·r.

How to calculate the radius of a sphere?

Sphere surface area to radius calculator; User Guide. This tool will calculate the radius of a circle from the area, and will convert different measurement units for area and radius. Formula. The formula used to calculate the circle radius is: r = √(A / π) Symbols. r = Circle radius; A = Circle area; π = Pi = 3.14159… Area of Circle