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Law of cosines

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16y ago

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Related Questions

How do you use formula of a triangle?

There are many formulae for triangles: Some formulae will calculate sides given angles or conversely. Some will calculate the area. It is not possible to say how you would use a formula without knowing what it is for!


Can a triangle have sides of 5cm 6cm and 7cm?

Yes, it can. And if you do the math, some basic trigonometry, you can calculate the angles in the triangle.


Triangle with no equal sides angles or sides?

A triangle with no equal sides or angles will always be classified as 'scalene'.


In what way does knowing the measure of the three sides of a triangle tell you more than just knowing the measures of the three angles?

Ion kn


Why is the ratio of opposite to hypotenuse?

The ratio can be used to calculate additional information about the sides or angles of a triangle.


How many sides and angles does a scalene triangle have?

Sides and Angles in a TriangleBy definition, a triangle has three sides. Since the number of sides and angles is equal, it would also have three angles.


When do we use lami's theorem?

You use Lami's theorem wen you triangle of forces to calculate the sides of the triangle or the angles opposite to a side.


All angles are right angles or a triangle has four sides?

False - and false ! Not ALL angles are right-angles - and a triangle has THREE sides !


Perimeter of non right angled triangle?

The perimeter of a triangle is simply the sum of the lengths of its three sides. Knowing that it is right angles (or not) is rarely of help.


How man angles does a triangle have?

A triangle has 3 angles and 3 sides, which is why it is called a TRIangle.


Does a triangle have 3 sides and 3 angles?

Yes a triangle consists of three sides and three angles.


Why does a triangles have three sides and three angles?

That is the definition of a triangle. If it did not have three sides it would not be a triangle. If it did not have three angles, it would not be a triangle.