11 Other formulas that you can solve using the same Inputs

Radius of Inscribed Circle
Radius Of Inscribed Circle=sqrt((Semiperimeter Of Triangle -Side A)*(Semiperimeter Of Triangle -Side B)*(Semiperimeter Of Triangle -Side C)/Semiperimeter Of Triangle ) GO
Area of Triangle when semiperimeter is given
Area Of Triangle=sqrt(Semiperimeter Of Triangle *(Semiperimeter Of Triangle -Side A)*(Semiperimeter Of Triangle -Side B)*(Semiperimeter Of Triangle -Side C)) GO
Area of a Triangle when sides are given
Area=sqrt((Side A+Side B+Side C)*(Side B+Side C-Side A)*(Side A-Side B+Side C)*(Side A+Side B-Side C))/4 GO
Radius of circumscribed circle
Radius Of Circumscribed Circle=(Side A*Side B*Side C)/(4*Area Of Triangle) GO
Side a of a triangle
Side A=sqrt((Side B)^2+(Side C)^2-2*Side B*Side C*cos(Angle A)) GO
Perimeter of a Right Angled Triangle
Perimeter=Side A+Side B+sqrt(Side A^2+Side B^2) GO
Perimeter of Triangle
Perimeter Of Triangle=Side A+Side B+Side C GO
Chord Length when radius and angle are given
Chord Length=sin(Angle A/2)*2*Radius GO
Perimeter of a Parallelogram
Perimeter=2*Side A+2*Side B GO
Perimeter of a Kite
Perimeter=2*(Side A+Side B) GO
Perimeter of an Isosceles Triangle
Perimeter=Side A+2*Side B GO

9 Other formulas that calculate the same Output

Side a of a triangle
Side A=sqrt((Side B)^2+(Side C)^2-2*Side B*Side C*cos(Angle A)) GO
Side of a parallelogram when diagonal and the other side is given
Side A=sqrt(2*(Diagonal 1)^2+2*(Diagonal 2)^2-4*(Side B)^2)/2 GO
Side of Rhombus when area and angle are given
Side A=sqrt(Area)/sqrt(sin(Angle Between Sides)) GO
Side of a Kite when other side and area are given
Side A=(Area*cosec(Angle Between Sides))/Side B GO
Side of a Rhombus when Diagonals are given
Side A=sqrt((Diagonal 1)^2+(Diagonal 2)^2)/2 GO
Side of a Kite when other side and perimeter are given
Side A=(Perimeter/2)-Side B GO
Side of the parallelogram when the height and sine of an angle are given
Side A=Height/sin(Theta) GO
Side of the parallelogram when the area and height of the parallelogram are given
Side A=Area/Height GO
Side of Rhombus when area and height are given
Side A=Area/Height GO

Side a of a triangle given side b, angles A and B Formula

Side A=(Side B*sin(Angle A))/sin(Angle B)
More formulas
Semiperimeter Of Triangle GO
Area of Triangle when semiperimeter is given GO
Radius of Inscribed Circle GO
Radius of circumscribed circle GO
Side a of a triangle GO
side b of a triangle GO
side c of a triangle GO
sin2A given angle A GO
cos2A given angle A GO
tan2A given angle A GO

What is Sine Rule ?

In trigonometry, the law of sines/sine law/sine formula/sine rule is an equation relating the lengths of the sides of a triangle to the sines of its angles.

How to Calculate Side a of a triangle given side b, angles A and B?

Side a of a triangle given side b, angles A and B calculator uses Side A=(Side B*sin(Angle A))/sin(Angle B) to calculate the Side A, The Side a of a triangle given side b, angles A and B formula is given by sine rule of trigonometry which is a/sinA = b/sinB = c/sinC. Side A and is denoted by a symbol.

How to calculate Side a of a triangle given side b, angles A and B using this online calculator? To use this online calculator for Side a of a triangle given side b, angles A and B, enter Side B (b), Angle A (∠A) and Angle B (∠B) and hit the calculate button. Here is how the Side a of a triangle given side b, angles A and B calculation can be explained with given input values -> 4.949747 = (7*sin(30))/sin(45).

FAQ

What is Side a of a triangle given side b, angles A and B?
The Side a of a triangle given side b, angles A and B formula is given by sine rule of trigonometry which is a/sinA = b/sinB = c/sinC and is represented as a=(b*sin(∠A))/sin(∠B) or Side A=(Side B*sin(Angle A))/sin(Angle B). Side B is an upright or sloping surface of a structure or object that is not the top or bottom and generally not the front or back, The angle A is one of the angles of a triangle and The angle B is one of the angles of a triangle.
How to calculate Side a of a triangle given side b, angles A and B?
The Side a of a triangle given side b, angles A and B formula is given by sine rule of trigonometry which is a/sinA = b/sinB = c/sinC is calculated using Side A=(Side B*sin(Angle A))/sin(Angle B). To calculate Side a of a triangle given side b, angles A and B, you need Side B (b), Angle A (∠A) and Angle B (∠B). With our tool, you need to enter the respective value for Side B, Angle A and Angle B and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Side A?
In this formula, Side A uses Side B, Angle A and Angle B. We can use 9 other way(s) to calculate the same, which is/are as follows -
  • Side A=sqrt((Side B)^2+(Side C)^2-2*Side B*Side C*cos(Angle A))
  • Side A=(Area*cosec(Angle Between Sides))/Side B
  • Side A=(Perimeter/2)-Side B
  • Side A=sqrt((Diagonal 1)^2+(Diagonal 2)^2)/2
  • Side A=Area/Height
  • Side A=sqrt(Area)/sqrt(sin(Angle Between Sides))
  • Side A=sqrt(2*(Diagonal 1)^2+2*(Diagonal 2)^2-4*(Side B)^2)/2
  • Side A=Height/sin(Theta)
  • Side A=Area/Height
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