Asked by jenny
the area of triangle ABC is 38.8cm^2
Work out the length of AC
Angle c =54
base=12
(scalene triangle)
Work out the length of AC
Angle c =54
base=12
(scalene triangle)
Answers
Answered by
Reiny
(1/2)(12)height = 38.8
height = 97/15 or 6.466..
assuming your base is BC
sin 54° = height /AC
AC = height/sin54°
take over
height = 97/15 or 6.466..
assuming your base is BC
sin 54° = height /AC
AC = height/sin54°
take over
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