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A right triangle has one side that measures 4 in. The angle opposite that side measures 80o. What is the length of the hypotenuse of the triangle? Round to the nearest tenth.
A: 3.9 in.
B: 4.1 in.
C: 22.7 in.
D: 23.0 in.

Respuesta :

In order to find the length of the hypotenuse, we use knowledge on trigonometric functions which would be sine and is expressed as:

sine (theta) = opposite side / hypotenuse

sine 80 = 4 / hypotenuse
Hypotenuse = 4.1 in <---- OPTION B

The length of the hypotenuse of the triangle to the nearest tenth is 4.1 inch and it can be determine by using the trignometry function.

Given :

A right triangle has one side that measures 4 in and the angle opposite that side measures [tex]80^\circ[/tex].

To determine the length of the hypotenuse of the triangle, trignometry function can be use.

[tex]\rm sin\theta=\dfrac{Perpendicular}{Hypotenuse}[/tex]

[tex]\rm sin(80^\circ)=\dfrac{4}{Hypotenuse}[/tex]

[tex]\rm Hypotenuse = \dfrac{4}{sin(80^\circ)}[/tex]

Hypotenuse = 4.0617 inch.

The length of the hypotenuse of the triangle to the nearest tenth is 4.1 inch.

For more information, refer the link given below:

https://brainly.com/question/21286835

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