Question

If aº and bº are complementary angles and aº and yº are supplementary angles then (y - b) is ​

Answer 1

Answer:

a and b are complementary

THEREFORE, a+b=90°

b=90-a

ALSO, a AND y are supplementary

therefore, a+y=180°

y=180-a

NOW, TO FIND,

y-b = 180-a-(90-a)

180-a-90+a

=90° {ANSWER}

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