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
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
Area of a Square when side is given
Area=(Side A)^2 GO

4 Other formulas that calculate the same Output

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 an isosceles triangle when length sides and angle between them are given
Area Of Triangle=(Side A*Side B*sin(Theta))/2 GO
Area of an equilateral triangle
Area Of Triangle=(sqrt(3)*(Side)^2)/4 GO
Area of an isosceles right angle triangle
Area Of Triangle=(Side A)^2/2 GO

Area of an isosceles triangle Formula

Area Of Triangle=(sqrt((Side A)^2-((Side B)^2/4)))*(Side B/2)
More formulas
Perimeter of the isosceles triangle GO
Semiperimeter of an isosceles triangle GO
Area of an isosceles triangle when length sides and angle between them are given GO
Area of an isosceles right angle triangle GO
Altitude of an isosceles triangle GO
Heron's formula GO
Perimeter of an isosceles right-angled triangle GO
Angle bisector of an isosceles triangle when equal sides are given GO
Angle bisector of an isosceles triangle when the unequal side is given GO
Median of an isosceles triangle when the unequal side is given GO
Radius of the circumscribed circle of an isosceles triangle GO
Radius of the inscribed circle of an isosceles triangle GO

What is an isosceles triangle and how its area is calculated ?

An isosceles triangle is a triangle that has any two of its sides equal to each other. Also, the angles opposite these equal sides are equal. Its area is calculated by the formula A = ½[√(a − b ⁄4) × b] where A is the area of an isosceles triangle, a is the length of the equal side and b is the length of the unequal side of an isosceles triangle.

How to Calculate Area of an isosceles triangle?

Area of an isosceles triangle calculator uses Area Of Triangle=(sqrt((Side A)^2-((Side B)^2/4)))*(Side B/2) to calculate the Area Of Triangle, Area of an isosceles triangle expresses the extent of an isosceles triangle in a plane. Area Of Triangle and is denoted by A symbol.

How to calculate Area of an isosceles triangle using this online calculator? To use this online calculator for Area of an isosceles triangle, enter Side A (a) and Side B (b) and hit the calculate button. Here is how the Area of an isosceles triangle calculation can be explained with given input values -> 25.17812 = (sqrt((8)^2-((7)^2/4)))*(7/2).

FAQ

What is Area of an isosceles triangle?
Area of an isosceles triangle expresses the extent of an isosceles triangle in a plane and is represented as A=(sqrt((a)^2-((b)^2/4)))*(b/2) or Area Of Triangle=(sqrt((Side A)^2-((Side B)^2/4)))*(Side B/2). Side A 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 and 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.
How to calculate Area of an isosceles triangle?
Area of an isosceles triangle expresses the extent of an isosceles triangle in a plane is calculated using Area Of Triangle=(sqrt((Side A)^2-((Side B)^2/4)))*(Side B/2). To calculate Area of an isosceles triangle, you need Side A (a) and Side B (b). With our tool, you need to enter the respective value for Side A and Side 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 Area Of Triangle?
In this formula, Area Of Triangle uses Side A and Side B. We can use 4 other way(s) to calculate the same, which is/are as follows -
  • Area Of Triangle=sqrt(Semiperimeter Of Triangle *(Semiperimeter Of Triangle -Side A)*(Semiperimeter Of Triangle -Side B)*(Semiperimeter Of Triangle -Side C))
  • Area Of Triangle=(Side A*Side B*sin(Theta))/2
  • Area Of Triangle=(Side A)^2/2
  • Area Of Triangle=(sqrt(3)*(Side)^2)/4
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