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Mathematics 20 Online
AlphaDog:

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 56 m and length of one straight edge 130 m. What is the perimeter of the inside of the track? (5 points) (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

jhonyy9:

like a first step try draw this case

AlphaDog:

i tried and i always got something wah lower or higher

AlphaDog:

and is the 3.14 need to be multiply

pr3ttyfaceHailie:

circumference: Circumference = PI x 56 = 175.84 The two straight parts are 130 m each: Total perimeter = 175.84 + 130 + 130 = 435.84 m The answer is D.

AlphaDog:

but i gt c so what did I do wrong

pr3ttyfaceHailie:

depends on what u did so idk

AlphaDog:

ohhhh

AlphaDog:

i see what you did

Timmyspu:

So how did you do it so we can find out what mistake you made while doing your math.

AlphaDog:

so first i

pr3ttyfaceHailie:

is it okay if we give answers if we explain it?

AlphaDog:

tried to multply 56 and 130 but

AlphaDog:

dont give me the answers please

AlphaDog:

but you did good hailie

Timmyspu:

It is okay if you explain on how to do your work and give them the answer but just giving the answers out straight away thats against qc rules.

pr3ttyfaceHailie:

o

Timmyspu:

So you can explain it step by step.

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