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Diagonal 2 of Cyclic Quadrilateral is a line segment joining opposite vertices (B and D) of the Cyclic Quadrilateral. Check FAQs
d2=(SaSc)+(SbSd)d1
d2 - Diagonal 2 of Cyclic Quadrilateral?Sa - Side A of Cyclic Quadrilateral?Sc - Side C of Cyclic Quadrilateral?Sb - Side B of Cyclic Quadrilateral?Sd - Side D of Cyclic Quadrilateral?d1 - Diagonal 1 of Cyclic Quadrilateral?

Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem Example

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Here is how the Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem equation looks like with Values.

Here is how the Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem equation looks like with Units.

Here is how the Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem equation looks like.

11.3636Edit=(10Edit8Edit)+(9Edit5Edit)11Edit
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Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem Solution

Follow our step by step solution on how to calculate Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem?

FIRST Step Consider the formula
d2=(SaSc)+(SbSd)d1
Next Step Substitute values of Variables
d2=(10m8m)+(9m5m)11m
Next Step Prepare to Evaluate
d2=(108)+(95)11
Next Step Evaluate
d2=11.3636363636364m
LAST Step Rounding Answer
d2=11.3636m

Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem Formula Elements

Variables
Diagonal 2 of Cyclic Quadrilateral
Diagonal 2 of Cyclic Quadrilateral is a line segment joining opposite vertices (B and D) of the Cyclic Quadrilateral.
Symbol: d2
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Side A of Cyclic Quadrilateral
Side A of Cyclic Quadrilateral is one of the four sides of the Cyclic Quadrilateral.
Symbol: Sa
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Side C of Cyclic Quadrilateral
Side C of Cyclic Quadrilateral is one of the four sides of Cyclic Quadrilateral.
Symbol: Sc
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Side B of Cyclic Quadrilateral
Side B of Cyclic Quadrilateral is one of the four sides of the Cyclic Quadrilateral.
Symbol: Sb
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Side D of Cyclic Quadrilateral
Side D of Cyclic Quadrilateral is one of the four sides of the Cyclic Quadrilateral.
Symbol: Sd
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Diagonal 1 of Cyclic Quadrilateral
Diagonal 1 of Cyclic Quadrilateral is a line segment joining opposite vertices (A and C) of the Cyclic Quadrilateral.
Symbol: d1
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Diagonal 2 of Cyclic Quadrilateral

​Go Diagonal 2 of Cyclic Quadrilateral
d2=((SaSb)+(ScSd))((SaSc)+(SbSd))(SaSd)+(ScSb)
​Go Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Second Theorem
d2=((SaSb)+(ScSd)(SaSd)+(SbSc))d1

Other formulas in Diagonals of Cyclic Quadrilateral category

​Go Diagonal 1 of Cyclic Quadrilateral
d1=((SaSc)+(SbSd))((SaSd)+(SbSc))(SaSb)+(ScSd)
​Go Diagonal 1 of Cyclic Quadrilateral using Ptolemy's Theorem
d1=(SaSc)+(SbSd)d2
​Go Diagonal 1 of Cyclic Quadrilateral using Ptolemy's Second Theorem
d1=((SaSd)+(SbSc)(SaSb)+(ScSd))d2

How to Evaluate Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem?

Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem evaluator uses Diagonal 2 of Cyclic Quadrilateral = ((Side A of Cyclic Quadrilateral*Side C of Cyclic Quadrilateral)+(Side B of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral))/Diagonal 1 of Cyclic Quadrilateral to evaluate the Diagonal 2 of Cyclic Quadrilateral, The Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem formula is defined as the line segment joining opposite vertices (B and D) of the Cyclic Quadrilateral, calculated using Ptolemy,s Theorem. Diagonal 2 of Cyclic Quadrilateral is denoted by d2 symbol.

How to evaluate Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem using this online evaluator? To use this online evaluator for Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem, enter Side A of Cyclic Quadrilateral (Sa), Side C of Cyclic Quadrilateral (Sc), Side B of Cyclic Quadrilateral (Sb), Side D of Cyclic Quadrilateral (Sd) & Diagonal 1 of Cyclic Quadrilateral (d1) and hit the calculate button.

FAQs on Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem

What is the formula to find Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem?
The formula of Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem is expressed as Diagonal 2 of Cyclic Quadrilateral = ((Side A of Cyclic Quadrilateral*Side C of Cyclic Quadrilateral)+(Side B of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral))/Diagonal 1 of Cyclic Quadrilateral. Here is an example- 11.36364 = ((10*8)+(9*5))/11.
How to calculate Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem?
With Side A of Cyclic Quadrilateral (Sa), Side C of Cyclic Quadrilateral (Sc), Side B of Cyclic Quadrilateral (Sb), Side D of Cyclic Quadrilateral (Sd) & Diagonal 1 of Cyclic Quadrilateral (d1) we can find Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem using the formula - Diagonal 2 of Cyclic Quadrilateral = ((Side A of Cyclic Quadrilateral*Side C of Cyclic Quadrilateral)+(Side B of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral))/Diagonal 1 of Cyclic Quadrilateral.
What are the other ways to Calculate Diagonal 2 of Cyclic Quadrilateral?
Here are the different ways to Calculate Diagonal 2 of Cyclic Quadrilateral-
  • Diagonal 2 of Cyclic Quadrilateral=sqrt((((Side A of Cyclic Quadrilateral*Side B of Cyclic Quadrilateral)+(Side C of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral))*((Side A of Cyclic Quadrilateral*Side C of Cyclic Quadrilateral)+(Side B of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral)))/((Side A of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral)+(Side C of Cyclic Quadrilateral*Side B of Cyclic Quadrilateral)))OpenImg
  • Diagonal 2 of Cyclic Quadrilateral=(((Side A of Cyclic Quadrilateral*Side B of Cyclic Quadrilateral)+(Side C of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral))/((Side A of Cyclic Quadrilateral*Side D of Cyclic Quadrilateral)+(Side B of Cyclic Quadrilateral*Side C of Cyclic Quadrilateral)))*Diagonal 1 of Cyclic QuadrilateralOpenImg
Can the Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem be negative?
No, the Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem, measured in Length cannot be negative.
Which unit is used to measure Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem?
Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Diagonal 2 of Cyclic Quadrilateral using Ptolemy's Theorem can be measured.
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