Question

please solve it ....... book ICSE MATHEMATICS FOR CLASS 10 BHARTI BHAWAN PUBLISHERS.....PLEASE SOLVE I WILL MARK AS BRAINLIEST ANSWER

Answer 1

hey...

here is ur answer

Answer 2

hey

tanx = 90/h... (1)

tanx = h/40.... (2)

from (1) and (2)

90/h = h/40

h^2 = 3600

h = 60m