Question

= 2.15 m (to 3 s.f.)
The height of the window is 2.15 m.
PRACTISE NOW A
Exercise
When as
na straight pole of length 14.5 m leans against the top edge of a signboard
on a builo
building, it forms an angle of 53' with the ground. When the pole leans
S ist the lower edge of the same signboard, it forms an angle of 42 with the ground.
Find the height of the signboard.
Chapter 11. Trigonometric Ratios​

Answer 1

don't know anything bye