4 years ago

Find the measurement of the cord. ..

1 answer:

Alina [70]4 years ago

4 0

I think you forgot to add the cord picture?

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melisa1 [442]

Answer: $16.56\ ft$

Step-by-step explanation:

You must draw a right triangle as the one attached, where "x" is the lenght in feet of the ramp.

You need to use the following Trigonometric Identity:

$sin\alpha=\frac{opposite}{hypotenuse}$

In this case you can identify that:

$\alpha =25\°\\\\opposite=7\\\\hypotenuse=x$

Now you must substitute these values into $sin\alpha=\frac{opposite}{hypotenuse}$ :

$sin(25\°)=\frac{7}{x}$

Finally, you must solve for "x" in order to find its value.

This is:

$sin(25\°)=\frac{7}{x}\\\\xsin(25\°)=7\\\\x=\frac{7}{sin(25\°)}\\\\x=16.56$

6 0

3 years ago

bagirrra123 [75]

The answer would be 9. Hope that helped!

4 0

3 years ago

lianna [129]

Answer:

im pretty sure its A

Step-by-step explanation:

7 0

3 years ago

Vsevolod [243]

$3\sqrt{8}\cdot4\sqrt{3} \\12\sqrt{24} \\12\cdot2\sqrt{6} \\\boxed{24\sqrt{6}}$

8 0

3 years ago

USPshnik [31]

Perimeter is the length around an object

8 0

3 years ago