When arriving at school, Ali sees two of his friends waving to him, one from the second floor window and the other from the third floor window. Ali looks up at an angle of elevation of 10 to his first friend and waves back, and then at an angle of elevation of 24 to the second friend and waves back. If Ali is 18 m from the school, what is the distance between his two friends

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Answer Lets denote d1d1 as the distance between Ali and his first friend on the second floor d2d2 as ... View the full answer