A couple of measurements are all that is needed to calculate how tall or height of an object. Horizontal distance and angle to top of object are combined to give you an answer. Fancy equipment is not required, but ability to measure angle using either a dedicated clinometer or phone app. is preferred to get better results. Decimals may be used for both measurements, but not fractions (i.e. `ten point five feet`, but not `ten-and-a-half feet`).
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