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Julli [10]
3 years ago
6

Please help- What is the value of X ?

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

x=12\sqrt 2

x = 100

Step-by-step explanation:

\sin \: 45 \degree =  \frac{12}{x} \\  \\  \frac{1}{ \sqrt{2} }   = \frac{12}{x} \\  \\ \huge \red{ x = 12 \sqrt{2} } \\  \\  \\  \sin \: 45 \degree =  \frac{x}{100 \sqrt{2} } \\  \\  \frac{1}{ \sqrt{2} }   = \frac{x}{100 \sqrt{2} }  \\  \\ x =  \frac{100 \sqrt{2} }{ \sqrt{2} } \\  \\ \huge \purple{ x = 100 }

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Need help ASAP!!!!!
svetlana [45]

Answer:

cos 45 degree = A/H

cos 45 degree =  2 square root 2 / x

x = 2 square root 2 / cos 45 degree

x = 4

Sin 45 degree = O/H

Sin 45 degree = y/ 4

4 x Sin 45 degree = y

y = 2.83

or

we could use tan

tan 45 degree = O/A

tan 45 degree = y / 2 square root 2

2 square root 2 x tan 45 degree = y

y = 2.83

i hope this would elp a little bit.

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