Question
there is a diagram.
the running track in the diagram consists of two parallel sections with semicircular sections at each end. determine the area of the track.
the diagram looks like this:
h ttp://oalevelsolutions.com/CIE_GCE_AS_Maths_P1_13_Nov_11_Q_8_files/image001.png
there is no space between h and ttp in the link above
The rectangle in the running track has only the measurements. the measurements for the rectangle: length is 85m and the diameter is split into two radius: 36.41m and 46.41m
the running track in the diagram consists of two parallel sections with semicircular sections at each end. determine the area of the track.
the diagram looks like this:
h ttp://oalevelsolutions.com/CIE_GCE_AS_Maths_P1_13_Nov_11_Q_8_files/image001.png
there is no space between h and ttp in the link above
The rectangle in the running track has only the measurements. the measurements for the rectangle: length is 85m and the diameter is split into two radius: 36.41m and 46.41m
Answers
If the two radii are not equal, then the interior is not a rectangle. Since the diagram just shows one r, I suspect a typo.
In any case, what is your question?
The length of the track is two lengths of a rectangle that is x by 2r, plus a full circle of radius r, right?
That would be 2x + 2pi r
In any case, what is your question?
The length of the track is two lengths of a rectangle that is x by 2r, plus a full circle of radius r, right?
That would be 2x + 2pi r
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