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Does the cosine rario work with non- right triangles?

Anonymous

∙ 12y ago

Updated: 10/23/2022

The cosine of an angle is the ratio of the adjacent side to the hypotenuse

only when the angle is in a right triangle. (Otherwise, how would you know

which side is the "hypotenuse" ?)

Wiki User

∙ 12y ago

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Continue Learning about Math & Arithmetic

The dose the Pythagorean Theorem only work on right triangles?

I quote " The square on the hypotenuse of a rightangled triangle..."

Why does the SSA postulate work only with the right triangle?

You can't use SSA or ASS as a postulate because it doesn't determine that the triangles are congruent; right triangles are most likely determined by HL: hypotenuse leg- genius!

How is trigonometry helpful?

Trigonometry is helpful in many fields of geometry and a few of them are:- It helps to identify different types of triangles It helps to work out the sides and interior angles of triangles It helps to work out the properties of polygons It helps to work out the properties of a right angle triangle with Pythagoras' theorem It helps with navigating and working out distances

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I have a right angled triangle which i know all the angles of. I have the length of one side which is adjacent to the right angle. How can I work out the length of the hypotenuse and the other side?

Use tangent to find the other leg, and the sine or cosine to find the hypotenuse.

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