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(PLEASE HELP FAST!!!) Which expression gives the area of triangle QRS?

PLEASE HELP FAST Which Expression Gives The Area Of Triangle QRS class=

Sagot :

The expression which gives the area of triangle QRS is [tex]\frac{1}{2} (9)(15)sin(20^{o} )[/tex].

We need to find the area of triangle QRS.

How do I find the area of a triangle using trigonometry?

The area of a triangle can be expressed using the lengths of two sides and the sine of the included angle. Area of Δ = ½ ab sin C.

Now, the area of the triangle QRS[tex]=\frac{1}{2} (9)(15)sin(20^{o} )[/tex]

Therefore, the expression which gives the area of triangle QRS is [tex]\frac{1}{2} (9)(15)sin(20^{o} )[/tex].

To learn more about the area of a triangle using trigonometric ratios visit:

https://brainly.com/question/18659560.

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