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4 years ago

Need helps ASAP I have a terrible headache

Mathematics

1 answer:

bagirrra123 [75]4 years ago

4 0

Answer:

Step-by-step explanation:

It says with a perpendicular to b and c that means that they are parallel and if they are both cut and perpenducular then they are both parallel.

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Answer:

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Step-by-step explanation:

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3 years ago

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Find the missing sides.

love history [14]

Answer:

Part 3)

$x=6\ units$

$y=3\ units$

Part 4) $x=18\sqrt{2}\ units$

Step-by-step explanation:

Part 3)

Find the value of x

In the right triangle of the figure we know that

The cosine of angle of 30 degrees is equal to the adjacent side to angle of 30 degrees divide by the hypotenuse

$cos(30\°)=\frac{3\sqrt{3}}{x}$

and remember that

$cos(30\°)=\frac{\sqrt{3}}{2}$

substitute

$\frac{\sqrt{3}}{2}=\frac{3\sqrt{3}}{x}$

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In the right triangle of the figure we know that

The sine of angle of 30 degrees is equal to the opposite side to angle of 30 degrees divide by the hypotenuse

$sin(30\°)=\frac{y}{x}$

and remember that

$sin(30\°)=\frac{1}{2}$

substitute

$\frac{1}{2}=\frac{y}{6}$

$y=6/2=3\ units$

Part 4) Find the value of x

Applying the Pythagoras Theorem

$x^{2} =18^{2} +18^{2} \\ \\x^{2} = 324+324\\ \\x^{2}=648\\ \\x=\sqrt{648}\ units$

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$x=18\sqrt{2}\ units$

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3 years ago

What is the length of segment AD?

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The answer is c. 16. I hope this helps!

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Step-by-step explanation:

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