The average typing speed of a stenographer is 100 words per minute. How many words would a stenographer type in 4⁄5 of a minute
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the distance form X to Y is clearly -6 to 0 is 6 units, and 0 to 8 is 8 units, so 6 + 8 = 14 units.
now, for XZ and ZY we can simply use as stated, the distance formula to get those and then add them all to get the perimeter.