Question

If two angles forming a linear pair are (3y+4)° and (y-12)°, the value of y is

Answer 1

Answer:

3 y+4+y-12=180

4y-8=180

4y=180+8

4y=188

y= 47

Answer 2

the value of y = 47°

If two angles forming a linear pair are (3y+4)° and (y-12)°, the value of y is

a/c to question, If two angles forming a linear pair are (3y+4)° and (y-12)°.

sum of angles forming a linear pair = 180°

⇒(3y + 4)° + (y - 12)° = 180°

⇒4y - 8° = 180°

⇒4y = 188°

⇒y = 47°

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