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8090 [49]
4 years ago
7

What is the value of side "a" in the triangle shown below?

Mathematics
1 answer:
maks197457 [2]4 years ago
6 0

Answer:

a = 5

Step-by-step explanation:

Since the triangle is right use the sine ratio to solve for a and

sin30° = \frac{1}{2}, thus

sin30° = \frac{opposite}{hypotenuse} = \frac{a}{10}, hence

\frac{a}{10} = \frac{1}{2} ( cross- multiply )

2a = 10 ( divide both sides by 2 )

a = 5

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