Question

find x value . please tell me answer​

Answer 1

Answer:

sin30°= x/10. (since sin30°=1/2)

1/2=x/10

x=5cm

hope it will help u

Answer 2

Answer:

From the triangle, cos(A) = AB/AC

So, Cos(60°) = 10/x

As cos 60° = 1/2,

1/2 = 10/x

x = 10*2

x = 20cm