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27 May, 01:26

It is given that the area of a football field is 7.8 km².

Its width is 3 200 m.

Using the standard form, calculate the length, in m,

of the football field.

+3
Answers (2)
  1. 27 May, 03:07
    0
    2437.5m

    Step-by-step explanation:

    Assuming a rectangular shape, we have

    Area=w*h, where w is the width anh h the length.

    1km²=1000²m²=10⁶m²

    7.8km²=7.8*10⁶=78*10⁵=3200*h

    78*1000=32h

    h=78000/32=2437.5m
  2. 27 May, 03:22
    0
    Step-by-step explanation:

    2437.5m
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