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from the top of the bulding 20m high the angle of elevation of the top of the monument is 45 degree and the angle of deppresion of its foot is 30 degree find the height of the monument |
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Answer» -step explanation:LET cd be the whole HEIGHT of the mountainCD=CE+DE =CE+7m(SINCE ABIS 7 m , therefore de is also 7 m) |
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