A surveyor held a clinometer 1.7 metres above the ground from a point 55 metres from the base of a tower. The angle between the horizontal and the line of sight to the
top of the tower, as measured by the clinometer, was 19º. Determine the height of the
tower, to the nearest tenth of a metre.

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im not sure

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm