Triangles-And-Properties-Of-Triangle Question 56
Question: A person standing on the bank of a river observes that the angle subtended by a tree on the opposite bank is $ 60{}^\circ . $ When he retires 40 m from the bank, he finds the angle to be $ 30{}^\circ , $ then find the breadth of the river.
Solution:
Answer: 20.00
BETA
