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Georgia [21]
2 years ago
9

Use trigonometry to find the unknown side (round to 1 decimal)​

Mathematics
2 answers:
artcher [175]2 years ago
5 0

Answer:

1 1 1 1

Step-by-step explanation:

Kazeer [188]2 years ago
5 0

Answer:

a = 7.5

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{a}{15} = \frac{1}{2} ( cross- multiply )

2a = 15 ( divide both sides by 2 )

a = 7.5

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7 0
3 years ago
Hello, can someone please assist me with this question?
kirill [66]

Answer:

9

Step-by-step explanation:

Hey There!

If you didnt know the given angles in the triangle added together equal the missing triangles supplement aka z+50

So all we have to do is set up an equation

z+50=30+6x-45

step 1 combine like terms

30-45=-15

now we have

z+30=6x-15

step 2 add 15 to each side

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now we have

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step 3 subtract z from each side

z-z cancels out

6z-z=5z

now we have

45=5z

step 4 divide each side by 5

5/5 cancels out

45/5=9

z=5

so we can conclude that z=9

hope this helps :)

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