A boy 1.2m tall, stands 6m away from the foot of a vertical lamp pole 4.2m long if the lamp is at the tip of the pole

Question

calculate the length of the shadow of the boy cast by the lamp
Angle of elevation of the lamp from the boy, correct to the nearest degree

Answer 1

maths

Answer 2

the lamp is 3m above the boy (4.2m - 1.2m)

the tangent of the angle of elevation from the top of the boy to the lamp
... tan(Θ) = 3m / 6m

length of shadow / boy's height = 6 / 3

Answer 3

Yes

Answer 4

Solve pls