Question

From the top of a platform 7m high the angle of elevation of a tower was 30

Answer 1

Answer:

the angle of elevation=30

the height of platform is=7m

let, consider a triangle right angled triangle ABC

AC=Xm

ANGLE bca=30

BC=7m

tan 30=ac/bc

1/root 3 =ac/7m

ac =7√3