Isosceles Triangle Calculator and Solver
Calculators to solve isosceles triangle problems depending on which sides and angles you given. The figure shown below will be used for sides and angle notations.
An isosceles triangle has two sides that are equal called legs. In the triangle below sides AC and AB are equal. Since the legs are equal, the base angles B and C are also equal. Angle A is called the vertex. Side BC is called the base.

Calculator 1 - You know base a and leg b (which is equal to c)
How to use the calculators
Enter base a and leg b (or c since they are equal) as positive real numbers and press "calculate".
Calculator 2 - You know angle A and leg b (which is equal to c)How to use the calculators
Enter angle A in degrees and leg b (or c) as positive real numbers and press "calculate".
Calculator 3 - You know base a and angle A at the vertexHow to use the calculators
Enter base a and angle A in degrees as positive real numbers and press "calculate".
Calculator 4 - You know base angle C and leg b (or c)How to use the calculators
Enter angle C in degrees and leg b as positive real numbers and press "calculate".
Calculator 5 - You know angle base C and base a How to use the calculators
Enter the angle base C and the base a and press "calculate".
More References and links
More Online Geometry Calculators and Solvers.
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