Apyramid has a square base that is 160 m on each side. what is the perimeter of the base in kilometers? question 19 options:

0.64 kilometres

Step-by-step explanation:

Step 1: Find the perimeter in metres

Perimeter of square = 4 x (Length)

Perimeter = 4 (160)

Perimeter = 640 metres

Step 2: Convert from metre to kilometre

1 km = 1000 m

x km = 640 m

Cross multiply

1000x = 640

x = 0.64 kilometres

Therefore, the perimeter of the square base is 0.64 kilometres.

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i got 142 as my answer

step-by-step explanation:

idk

step-by-step explanation:

i don't know