Grade 12th pass10 grade maths
A person standing on the bank of a river, observes that the angle subtended by a tree on the opposite bank is 60∘ when it retreats 20m from the bank, he finds the angle to be 30∘ then the height of the tree and the breadth of the river is:
A. 103–√m,10m
B. 10,103–√m
C. 20m,30m
D. none of these
A person standing on the bank of a river, observes that the angle subtended by a tree on the opposite bank is 60∘ when it retreats 20m from the bank, he finds the angle to be 30∘ then the height of the tree and the breadth of the river is:
A. 103–√m,10m
B. 10,103–√m
C. 20m,30m
D. none of these
