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Mathematics, 06.03.2021 03:20 Lonzo2

" To calculate the height of each block of flats, a surveyor measures the angles of depression from A and B to C. From A, the angle of depression is 30 and from B the angle of depression is 51."

First, find the size of ACB.


To calculate the height of each block of flats, a surveyor measures the angles of depression fr

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