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- The ratio of the length of the side opposite a given angle to the hypotenuse is the sine of that angle.
- The ratio of the length of the side adjacent to a given angle to the hypotenuse is the cosine of that angle.
- The ratio of the length of the side opposite a given angle to the side adjacent to that angle is the tangent of that angle.

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Q: What are facts about right triangles?

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Triangles without right angles are:- Scalene triangles Obtuse triangles Isosceles triangles Equilateral triangles

no

No because all right triangles have 2 legs and a hypotenuse. The hypotenuse is always longer than either leg so right triangles can't be equilateral triangles.

No. For it to be equilateral it can't be a right triangle.

Absolutely. Any two congruent right triangles will form a rectangle, and if the right triangles are isosceles right triangles, they will form a square.

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Triangles without right angles are:- Scalene triangles Obtuse triangles Isosceles triangles Equilateral triangles

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If the hypotenuse and a leg of two right triangles are the same measure, the triangles are congruent

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