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3 years ago

Plz help me I need this ASAP ✌️

Mathematics

2 answers:

motikmotik3 years ago

3 0

Answer:

x = 48

Step-by-step explanation:

x and 42 form a right angle, then

x + 42 = 90 ( subtract 42 from both sides )

x = 48

zvonat [6]3 years ago

3 0

Answer:

x = 48

Step-by-step explanation:

Hope this helps

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Dafna11 [192]

Answer:

28!

Step-by-step explanation:

soooooo its a 90 degree angle

2x+1+33=90

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Sphinxa [80]

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3 years ago

Please help with the question in the picture!

Stella [2.4K]

Answer:

Tan C = 3/4

Step-by-step explanation:

Given-

∠ A = 90°, sin C = 3 / 5

METHOD - I

Sin² C + Cos² C = 1

Cos² C = 1 - Sin² C

Cos² C = $1 - \frac{9}{25}$

Cos² C = $\frac{25 - 9}{25}$

Cos² C = $\frac{16}{25}$

Cos C = $\sqrt{\frac{16}{25} }$

Cos C = $\frac{4}{5}$

As we know that

Tan C = $\frac{Sin C}{Cos C }$

Tan C = $\frac{\frac{3}{5} }{\frac{4}{5} }$

Tan C = $\frac{3}{4}$ 

METHOD - II

Given Sin C = $\frac{3}{5} = \frac{Height}{Hypotenuse}$

therefore,

AB ( Height ) = 3; BC ( Hypotenuse) = 5

∵ ΔABC is Right triangle.

∴ By Pythagorean Theorem-

AB² + AC² = BC²

AC² = BC² - AB²

AC² = 5² - 3²

AC² = 25 - 9

AC² = 16

AC ( Base) = 4

Since,

Tan C = $\frac{Height}{Base}$ 

Tan C = $\frac{AB}{AC}$

Hence Tan C = $\frac{3}{4}$ 

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myrzilka [38]

Answer:

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Step-by-step explanation:

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