if ab is perpendicularto xy?what can you say aboutanglexab ?anglebay?why?
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depends on length of xy
see if bx or by = ab than both th angles are 45 ° and if bx an by are bigger than both are 40 °
see if bx or by = ab than both th angles are 45 ° and if bx an by are bigger than both are 40 °
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