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A = 1/2(base)(height)

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Q: Hownto calculate the area of triangle with out using its angle?
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How do you calculate the base of the right triangle given the height and the opposite angle?

By using the tangent ratio of: opposite/tangent angle = adjacent which is the base


How do you use sine in math?

The sine function is used in trigonometric calculations when attempting to find missing side lengths of a right triangle. The sine of an angle in a triangle is equal to the length of the side opposite of that angle divided by the length of the hypotenuse of the triangle. Using this fact you can calculate the length of the hypotenuse if you know an angle measure and the length of one leg of the triangle. You can also calculate the length of a leg of the triangle if you know an angle measure and the length of the hypotenuse.


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