URGENT!! I have an exam
The picture below shows a right-triangle-shaped charging stand for a gaming system:



Which expression shows the length, BC, of the base of the stand?

URGENT I have an examThe picture below shows a righttriangleshaped charging stand for a gaming systemWhich expression shows the length BC of the base of the sta class=

Respuesta :

For the given triangle, the tan of angle A equals

Step-by-step explanation:

Step 1:

In the triangle, the given angle is 70°, the opposite side, AC's length is 9 inches. Assume the adjacent side BC's length is x inches. To determine the adjacent side's length, we determine the tan of the angle. To calculate the tan of an angle, we divide the opposite side's length by the adjacent side's length.

[tex]tanB= \frac{opposite side}{adjacent side}[/tex]

Step 2:

The length of the opposite side = 9 inches.

The length of the adjacent side = x cm.

[tex]tanB= \frac{opposite side}{adjacent side}, tan 70 = 2.7474, tan70 = \frac{9}{x} ,[/tex]

[tex]x = \frac{9}{tan70} = \frac{9}{2.7474} = 3.2758.[/tex]

So BC of the given triangle measures 3.2758 inches.

Answer:

its B

Step-by-step explanation: