6. *°, yº and zº are three angles lying on a straight line.
(a) If yº = 45° and zº = 86°, find the value of x.
(b) If x° = 2yº and zº = 3yº, find the value of y.
Answers
Answered by
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a- 180- (45+86)
=49
b- 180 - 5y
=36
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