What is the value of sin(A)?

Sin(A) =3/5 is answer

Step-by-step explanation:

I hope it's helpful!

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

question is incomplete.