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brilliants [131]
3 years ago
5

Pls help me with trig :)

Mathematics
1 answer:
trapecia [35]3 years ago
4 0

Answer:

Step-by-step explanation:

let ∠GEF=x

then ∠GFE=90-x

\frac{GH}{EH}=tan x\\GH=EH~ tan x\\or~ GH=a ~tan x=6 tan x\\\frac{GH}{FH}=tan (90-x)=cot x\\GH=FH*cot x\\GH=b*cot x=27 cot x\\6 tan x=27 cotx\\\frac{tan x}{cot x}=\frac{27}{6}\\tan ^2 x=\frac{27}{6}=\frac{9}{2}\\sec^2x-tan^2x=1\\sec^2 x=1+tan ^2x=1+\frac{9}{2}=\frac{11}{2}\\\frac{EG}{EH}=sec x\\ EG=EH sec x=a sec x= 6 sec x=6\sqrt{\frac{11}{2} } =3\sqrt{22} \approx 14.07

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skelet666 [1.2K]

Answer:

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I hope this helps!

4 0
2 years ago
Read 2 more answers
How do I solve these for example 3
Natasha2012 [34]
As the three longitudinal lines are parallel:

angle 4 = 5 = 6 = 82 degree (corresponding angles) = 9 = 8 = 7 = 82 degrees (vertical angles)

and

angle 11 = 180-82= 98 degrees (linear pair)

so:

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hope you got it
8 0
3 years ago
Need help with this problem.
Galina-37 [17]

Answer:

18

Step-by-step explanation:

To find this we must divide 45 by 20 which gives the answer of 2.25. As we know this we now must multiply that by 8 resulting in to 18.

Therefore the answer is 18

5 0
3 years ago
Solve for (y)(x)<br> x-y=1<br> 1/2x+y=5
TEA [102]
Using addition

x-y+1/2x+y=1+5
x+1/2x+0y=6
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3x=12
x=4

Using the value of x
x-y=1
4-y=1
y=3

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And can be written as (4,3)
6 0
2 years ago
Read 2 more answers
The slope of a line perpendicular to y=-3x-4
Margarita [4]
<span>y=-3x-4
slope = 3
perpendicular to line then slope = 1/3

answer

</span>slope of a line perpendicular to <span>y=-3x-4 

</span><span>= 

1/3

</span>
7 0
3 years ago
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