A running track in the shape of an oval is shown. The ends of the track form semicircles.

A running track is shown. The left and right edges of the track are identical curves. The top and bottom edges of the track are straight lines. The track has width 68 m and length of one straight edge 140 m.

What is the perimeter of the inside of the track?

(π = 3.14)

Question

A running track in the shape of an oval is shown. The ends of the track form semicircles.

A running track is shown. The left and right edges of the track are identical curves. The top and bottom edges of the track are straight lines. The track has width 68 m and length of one straight edge 140 m.

What is the perimeter of the inside of the track?

(π = 3.14)

mykenzie · Answer

416.00 m
 493.52 m
 707.04 m
 719.60 m

mykenzie · Answer

help pls

AZ · Answer

does it look something like this

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AZ · Answer

We want to find the perimeter of the whole track

so we need to find the length of the curved areas

we know that top and bottom straight lines are 68

so to find the curved areas, since we have two half circles (semi-circles) that would make an entire circle

the length of that entire thing would basically be the circumference

they told us the diameter is 140
remember radius is half of the diameter

circumference = 2 * pi * radius

what is the circumference then?