Question

412 A man wants to calculate the width of the river shown in Fig. 33. He
stands at point on the riverbank directly opposite a large tree at point
Dacross the river. He walks 20 m to his right and places a rock at point
o. Next, he walks 8 m further. He moves to point A so that he can see
the rock and the tree in the same line. Determine the width of the river.​

Answer 1

Answer:

pls show figure also how can we do without figure