question_answer

The length of the shadow of a tower decreases by 30 m, when sun ray's inclination increased from\[\mathbf{45}{}^\circ \text{ }\mathbf{to}\text{ }\mathbf{60}{}^\circ \]. Find the height of the tower (in m).

A)  50.35                                                              

B)  60.95        

C)  70.95     

D) 55

E) None of these