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Find y please help !!!

Find Y Please Help class=

Sagot :

Emmanuelkristoffidn

Answer:

20°

Step-by-step explanation:

take the sum of 3y + 10 and y and equal it to 90° that creates an equation making it easier for you to continue

View image Emmanuelkristoff
Rose5656idn

Answer:

Y = 20°

let's assume the opposite angle of Y to be X

angle Y = angle X ( vertically opposite angles)

3y + 10 + X + 90° = 180° ( forming linear pair)

3y + X + 100 = 180°

X + 3y = 80° ----(1)

Y + 3y = 80°

4y = 80°

y = 20°

View image Rose5656
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