Question

15. The angle of elevation of the top of a tree from a
point A on the ground is 60°. On walking 20 metres
away from its base, to a point B, the angle of
elevation changes to 30°. Find the height of the
tree.​

Answer 1

Answer:

height of tree is 10√3 m or 17.32m

Step-by-step explanation:

pls refer the image above

Answer 2

Step-by-step explanation:

 

can you understand this