Question

ABC is triangle right angled at B,AB=5 cm Angle ACB =30 degrees Find the length of BC and AC.

Answer 1

in triangle ABC,<B=90
AB=5cm,<ACB=30
sin 30= opposite side to <C/hypotenuse
1/2=AB/AC
1/2=5/AC
AC=10cm

cos 30= BC/AC
root 3/2=BC/10
10*root 3/2=BC
BC =5*root 3

Answer 2

here is the ans ........