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we find sides of rectangle with the help of sin theta given
sin theta = 8/17 = perpendicular/hypotenuse
AB= p=8 , AC = H = 17
so in triangle ABC , use pythagorus theorem to find side BC
Step-by-step explanation:
BC ^2 + 64 = 289
BC = √289- 64
BC = √225 , Bc = 15
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