Please help me with this question.

please help me with this question . A Fire-fighter stands 3.500m from the bottom of thee ladder and the ladder is 5.00m. The ladder leans against the vertical wall that makes an angle of 50.0 degrees with the horizontal. The mass of the ladder is 12.00kg and mass of fire fighter is 65.00kg. a) What is the force exerted by the vertical wall? 287.5 b) What are the magnitude and direction of the contact force acting on the bottom of the ladder from the ground? (First find the components) 6. 87 NOFE F F= 3.500*65.00 + 5x12.00 50 60 uno 'S 227.5 + 287.5 3 x 3.500m