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Use the appropriate sine or cosine ratio.

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Q: How can i find out the hypotenuse if i only have 1 side and an angle?
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Related questions

How do you determine sine in a right triangle?

The sine of an angle in a right triangle is opposite/hypotenuse, where opposite is the only side that is not adjacent to the angle you want to find the sine of, and the hypotenuse is the side opposite the right angle in the triangle. Just find opposite/hypotenuse.


What to do when you have the hypotenuse and angle?

For trigonometry if you have the value of the hypotenuse and the angle, it depends what side you are trying to find. If you are looking for the side across from the angle, the formula is sine(angle)=opposite side divided by hypotenuse. If you are looking for the side adjacent to the angle, the formula is cosine(angle)=adjacent side divided by hypotenuse. Hope this helps!


What do you do when you want to find the longest side?

Well, it depends. If you are trying to find the hypotenuse, then you go from the right angle and up. The side you across from right angle is the hypotenuse.


Find hypotenuse only using opposite and angle?

In a right angles triangle the sides are named the hypotenuse (the side opposite the right angle) and the other two sides are called the adjacent and the opposite sides. 1) The sine of an angle = length of the opposite side ÷ length of the hypotenuse. 2) The cosine of an angle = length of the adjacent side ÷ length of the hypotenuse. Using 1) The length of the hypotenuse = length of the opposite side ÷ the sine of the angle. Using tables or a calculator obtain the sine of the angle and divide this into the length of the opposite side. The result will be the length of the hypotenuse.


How do you find the angle opposite of the hypotenuse of a triangle with all three sides known?

The only triangle that has a hypotenuse is a right-triangle. The hypotenuse is the side opposite the right angle, so the angle is always 90 degrees. In this case, if you're just finding the angle then you don't need to know what the side lengths are.


Can you find the hypotenuse of a right triangle when only one side length is known and all three angles?

Yes. You will need to use trigonometry. sin (angle) = opposite/hypotenuse cos (angle) = adjacent/hypotenuse tan (angle) = opposite/adjacent


Is a right triagnle the only triangle with the longest side a hypotenuse?

No but with a right angle triangle the longest side is the hypotenuse.


How do you find the angle adjacent to the hypotenuse?

Remember SOHCAHTOA which means, the Sin of an angle is equal to the Opposite side divided by the Hypotenuse, the Cos of an angle is equal to the Adjacent side divided by the hypotenuse, and the Tangent of an angle is equal to the Opposite side divided by the Adjacent side. So as long as you have two sides of a right triangle, then you can find the angles and the length of the third side.


The side of a right triangle opposite the right angle?

The side opposite the right angle is called the hypotenuse.


How are side angle side triangles and Hypotenuse leg alike?

"Hypotenuse-leg" is not necessarily the right-triangle version of "side-angle-side". It's the right-triangle version of "side-side-side", because if you know that it's a right triangle, and you know the hypotenuse and a leg, then you can calculate the length of the other leg. If you want to work with "side-angle-side", and you know the hypotenuse and a leg, then you can find the angle between them, because it's the angle whose cosine is (the known leg) divided by (the hypotenuse), and you can look it up.


How do i find the hypotenuse of a triangle?

It is the longest side of a right angle triangle.


How do you find the hypotenuse of a triangle without Pythagoras theroem?

You need a side and another angle. Hypo = side / sin angle. Eg if a side is 6 units and an angle 30 degrees then hypotenuse = 6/0.5 = 12