Yalll myyy bsf and bf needaa answerr m likeee no i love yall babesyall dont ever forget thats shii♡♡

They know who they is

Well hope they answer u they might be sleeping or something ..

Step-by-step explanation:

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