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GenaCL600 [577]
3 years ago
9

For each triangle shown below, determine whether you would use the Law of Sines or Law of Cosines to find angle x. Then find ang

le x to the nearest tenth.
68.3 by The Law of Cosines (SSS)

22.9 by The Law of Cosines (SAS)

10.7 by The Law of Sines (SAS)

8.8 by The Law of Sines (SSA)

Mathematics
1 answer:
Alika [10]3 years ago
6 0
For this case using the law of the sine we have the following mathematical relationship:
 x / sine (21) = 27 / sine (65)
 Clearing x we have:
 x = (27 / sine (65)) * (sine (21))
 x = 10.68 units
 Rounding off we have:
 x = 10.7 units
 Answer:
 
10.7 by The Law of Sines (SAS)
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Find y.<br> 30<br> 20 <br> Need help asap
Neporo4naja [7]

Answer:

y = 10

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin30° = \frac{1}{2} , then

sin30° = \frac{opposite}{hypotenuse} = \frac{y}{20} = \frac{1}{2} ( cross- multiply )

2y = 20 ( divide both sides by 2 )

y = 10

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3 years ago
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sesenic [268]
Use slope formula: y2-y1/x2-x1

XZ: -5/9
YZ: 2/7
XY: -7/2

XYZ is a right triangle because two of these slopes have a product of -1.

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3 years ago
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If x/3 = -15 then x = -45
vitfil [10]
Yes, but what is the question
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Graph.<br> y - 5 = 4/3(x - 5)
sergejj [24]

Answer:

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3 years ago
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Artemon [7]
The lateral area of the prism is given by:
LA=[area of the two triangles]+[area of the lateral rectangles]
hypotenuse of the triangle will be given by Pythagorean:
c^2=a^2+b^2
c^2=6^2+4^2
c^2=52
c=sqrt52
c=7.211'
thus the lateral area will be:
L.A=2[1/2*4*6]+[6*8]+[8*7.211]
L.A=24+48+57.69
L.A=129.69 in^2

The total are will be given by:
T.A=L.A+base area
base area=length*width
=4*8
=32 in^2
thus;
T.A=32+129.69
T.A=161.69 in^2

Hope this helps:) plz mark brainiest i would really apperciate it
<span />
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3 years ago
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