The standard running track size for track and field events is 400 m. The track consists of two semi-circles connected by parallel straight lanes. If the infield of the track encloses an area of 9430 m², find the length of the straight lanes, and the diameter of the track.

The standard running track size for track and field events is 400 m. The track consists of two semi-circles connected by parallel straight lanes. If the infield of the track encloses an area of 9430 m², find the length of the straight lanes, and the diameter of the track.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter8: Areas Of Polygons And Circles

Section8.2: Perimeter And Area Of Polygons

Problem 38E: Examine several rectangles, each with an area of 36 in2, and find the dimensions of the rectangle...

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Question

18. The standard running track size for track and field
events is 400 m. The track consists of two
semi-circles connected by parallel straight lanes.
If the infield of the track encloses an area of
9430 m², find the length of the straight lanes, and
the diameter of the track.

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