Ques :- In a triangle, B = 90° , AB = 12, BC = 5, then form a triangle and find sin theta ?
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Answer:
sin theta =p/h
we are given AB=12cm and BC=5cm
AC=underroot ABsquare +BCsquare
AC=12square+5square
AC=144+25
AC=169
AC=13
therefore,
hypotenuse=13
sin theta=12/13
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