Question

A man whose eye-level is 2 m above the ground wishes to find the height of a tree. He places a mirror horizontally on the ground 20 m from the tree and finds that if he stands at a point which is 4 m from the mirror B, he can see the reflection of the top of the tree. How height is the tree?​

Answer 1

Answer:

height of tree = 10m

Step-by-step explanation:

Answer 2

Answer:

From the figure; ΔDAC, ΔFBC are similar triangles and ΔACE & ΔABF are similar triangles. ∴ height of the tree h = 6x = 10 m