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Georgia [21]
3 years ago
9

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

Mathematics
2 answers:
artcher [175]3 years ago
5 0

Answer:

1 1 1 1

Step-by-step explanation:

Kazeer [188]3 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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