FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Edge Length of Pentagon given Circumradius using Central Angle Formula

GoEdge Length of Pentagon given Area and Inradius Formula

GoEdge Length of Pentagon given Height using Central Angle Formula

Fx Copy

LaTeX Copy

The Edge Length of Pentagon is the length of one of the five sides of the Pentagon. Check FAQs

l e = 2 \cdot r c \cdot \sin (\frac{π}{5})

l_e - Edge Length of Pentagon?r_c - Circumradius of Pentagon?π - Archimedes' constant?

Edge Length of Pentagon given Circumradius using Central Angle Example

With values

With units

Only example

Here is how the Edge Length of Pentagon given Circumradius using Central Angle equation looks like with Values.

Here is how the Edge Length of Pentagon given Circumradius using Central Angle equation looks like with Units.

Here is how the Edge Length of Pentagon given Circumradius using Central Angle equation looks like.

10.5801 = 2 \cdot 9 \cdot \sin (\frac{3.1416}{5})

10.5801m = 2 \cdot 9m \cdot \sin (\frac{3.1416}{5})

10.5801 = 2 \cdot 9 \cdot \sin (\frac{3.1416}{5})

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Math » Category

Geometry » Category

2D Geometry » fx Edge Length of Pentagon given Circumradius using Central Angle

Edge Length of Pentagon given Circumradius using Central Angle Solution

Follow our step by step solution on how to calculate Edge Length of Pentagon given Circumradius using Central Angle?

FIRST Step Consider the formula

l e = 2 \cdot r c \cdot \sin (\frac{π}{5})

Next Step Substitute values of Variables

∴

l e = 2 \cdot 9m \cdot \sin (\frac{π}{5})

Next Step Substitute values of Constants

∴

l e = 2 \cdot 9m \cdot \sin (\frac{3.1416}{5})

Next Step Prepare to Evaluate

∴

l e = 2 \cdot 9 \cdot \sin (\frac{3.1416}{5})

Next Step Evaluate

∴

l e = 10.5801345412645m

LAST Step Rounding Answer

∴

l e = 10.5801m

Edge Length of Pentagon given Circumradius using Central Angle Formula Elements

Variables

Constants

Functions

Edge Length of Pentagon

The Edge Length of Pentagon is the length of one of the five sides of the Pentagon.

Symbol: l_e

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Edge Length of Pentagon

Circumradius of Pentagon

The Circumradius of Pentagon is the radius of a circumcircle touching each of the vertices of Pentagon.

Symbol: r_c

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Circumradius of Pentagon

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

sin

Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.

Syntax: sin(Angle)

Other Formulas to find Edge Length of Pentagon

Go Edge Length of Pentagon given Area and Inradius

l e = \frac{2 \cdot A}{5 \cdot r i}

Go Edge Length of Pentagon given Height using Central Angle

l e = \frac{2 \cdot h \cdot \sin (\frac{π}{5})}{1 + \cos (\frac{π}{5})}

Go Edge Length of Pentagon given Inradius

l e = r i \cdot \frac{10}{\sqrt{25 + (10 \cdot \sqrt{5})}}

Go Edge Length of Pentagon given Area

l e = \sqrt{4 \cdot \frac{A}{\sqrt{25 + (10 \cdot \sqrt{5})}}}

How to Evaluate Edge Length of Pentagon given Circumradius using Central Angle?

Edge Length of Pentagon given Circumradius using Central Angle evaluator uses Edge Length of Pentagon = 2*Circumradius of Pentagon*sin(pi/5) to evaluate the Edge Length of Pentagon, Edge Length of Pentagon given Circumradius using Central Angle is defined as the length of the line connecting the two adjacent vertices of the Pentagon, calculated using circumradius and the central angle. Edge Length of Pentagon is denoted by l_e symbol.

How to evaluate Edge Length of Pentagon given Circumradius using Central Angle using this online evaluator? To use this online evaluator for Edge Length of Pentagon given Circumradius using Central Angle, enter Circumradius of Pentagon (r_c) and hit the calculate button.

FAQs on Edge Length of Pentagon given Circumradius using Central Angle

What is the formula to find Edge Length of Pentagon given Circumradius using Central Angle?

The formula of Edge Length of Pentagon given Circumradius using Central Angle is expressed as Edge Length of Pentagon = 2*Circumradius of Pentagon*sin(pi/5). Here is an example- 10.58013 = 2*9*sin(pi/5).

How to calculate Edge Length of Pentagon given Circumradius using Central Angle?

With Circumradius of Pentagon (r_c) we can find Edge Length of Pentagon given Circumradius using Central Angle using the formula - Edge Length of Pentagon = 2*Circumradius of Pentagon*sin(pi/5). This formula also uses Archimedes' constant and Sine (sin) function(s).

What are the other ways to Calculate Edge Length of Pentagon?

Here are the different ways to Calculate Edge Length of Pentagon-

Edge Length of Pentagon=(2*Area of Pentagon)/(5*Inradius of Pentagon)
Edge Length of Pentagon=(2*Height of Pentagon*sin(pi/5))/(1+cos(pi/5))
Edge Length of Pentagon=Inradius of Pentagon*10/sqrt(25+(10*sqrt(5)))

Can the Edge Length of Pentagon given Circumradius using Central Angle be negative?

No, the Edge Length of Pentagon given Circumradius using Central Angle, measured in Length cannot be negative.

Which unit is used to measure Edge Length of Pentagon given Circumradius using Central Angle?

Edge Length of Pentagon given Circumradius using Central Angle is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Edge Length of Pentagon given Circumradius using Central Angle can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit