Given any triangle abc labeled as shown, the law of sines states:

Answer

Explanation

The law of sine relates the angles in a triangle with their corresponding length.

The ratio of sine of an angle to its  opposite length is constant for any given triangle.

In the case of the given triangle the law of sine will apply as shown bellow:

7

step-by-step explanation:

the answer would be 7

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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