Angle of isosceles triangle when equal angles are known Calculator

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✖The angle A is one of the angles of a triangle.ⓘ Angle A [∠A]

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✖The angle C is one of the angles of a triangle.ⓘ Angle of isosceles triangle when equal angles are known [∠C]

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Angle of isosceles triangle when equal angles are known

Anamika Mittal

Vellore Institute of Technology (VIT), Bhopal

Anamika Mittal has created this Calculator and 50+ more calculators!

Mona Gladys

St Joseph's College (St Joseph's College), Bengaluru

Mona Gladys has verified this Calculator and 400+ more calculators!

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< 2 Other formulas that calculate the same Output

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Angle of isosceles triangle when equal angles are known Formula

Angle C=180-(2*Angle A)
∠C=180-(2*∠A)

More formulas

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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

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What is an isosceles triangle?

An isosceles triangle is a triangle which has either two equal sides or two equal angles. In this triangle the third unique angle can be found using above formula.

How to Calculate Angle of isosceles triangle when equal angles are known?

Angle of isosceles triangle when equal angles are known calculator uses Angle C=180-(2*Angle A) to calculate the Angle C, The Angle of isosceles triangle when equal angles are known formula is defined as the difference of 180 degrees and twice of the measure of one of the equal angles. Angle C and is denoted by ∠C symbol.

How to calculate Angle of isosceles triangle when equal angles are known using this online calculator? To use this online calculator for Angle of isosceles triangle when equal angles are known, enter Angle A (∠A) and hit the calculate button. Here is how the Angle of isosceles triangle when equal angles are known calculation can be explained with given input values -> 120 = 180-(2*30).

FAQ

What is Angle of isosceles triangle when equal angles are known?

The Angle of isosceles triangle when equal angles are known formula is defined as the difference of 180 degrees and twice of the measure of one of the equal angles and is represented as ∠C=180-(2*∠A) or Angle C=180-(2*Angle A). The angle A is one of the angles of a triangle.

How to calculate Angle of isosceles triangle when equal angles are known?

The Angle of isosceles triangle when equal angles are known formula is defined as the difference of 180 degrees and twice of the measure of one of the equal angles is calculated using Angle C=180-(2*Angle A). To calculate Angle of isosceles triangle when equal angles are known, you need Angle A (∠A). With our tool, you need to enter the respective value for Angle A 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 Angle C?

In this formula, Angle C uses Angle A. We can use 2 other way(s) to calculate the same, which is/are as follows -

Angle C=(360-Angle A-Angle B)/2
Angle C=arccos((Side A^2+section 1^2-section 2^2)/(2*Side A*section 1))

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