question_answer

Two posts are 25m and 15m high and the line joining their tops makes an angle of\[\text{45}{}^\circ \]with the horizontal. What is the distance between these posts?

A) 5 m                        

B)        \[\frac{10}{\sqrt{2}}m\]

C) 10m                      

D)        \[10\sqrt{2}\,m\]