Trigonometric involving bearings

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A figure shows sport A,B,and C on level ground.B is due east of A while C is due north of A.D is the top of a tower,cd. Given that AC=500m,and the angle of elevation of D from A and B are 30° and 25° respectively. Calculate the height CD at the Tower to 2 decimal place and hence calculate the distance BC to 2 decimal place.calculate the bearing of c from B