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The feet of two building of height 30miter amd 70meter are on the same horizontal line with a hole on the ground.The smaller building being between the taller one and the hole is 200meter the angle of elevation of the top of the taller building from the top of the smaller one is 30digree. Calculate: The distance from the top of the taller building to the top of the smaller one. The distance of the foot of the taller building the hole. The angle of elevation of the top of the taller building from the hole

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