# Question #a01b0

##### 1 Answer

Jul 21, 2016

#### Explanation:

Let the height of tower be **h** m.and the distance of first position from the foot of tower be **x** m.So the distance of 2nd position from the foot of tbe tower will be

**Your correction is cotangent in place of tangent for the 2nd position and 2/5 in place of 2/3 as per book (S.L. Loney)**

Hence

For 1st position

For 2nd position

subtracting (2) from (1) we can write