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Mathematics 13 Online
aidenj:

A parallelogram has vertices at (-5, -1), (-2, -1), (-3, -4), and (-6, -4). What is the approximate perimeter of the parallelogram? Round your answers to the nearest hundredth. A. 9.16 B. 12 units C. 12.32 units D. 14 E. 14.32

sky8899:

it might be B

snowflake0531:

we have this

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snowflake0531:

this is obviously 3

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aidenj:

ok \

snowflake0531:

this is what we need to find

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Tandygirl:

i think its 14

aidenj:

k

aidenj:

so now what

snowflake0531:

1 attachment
snowflake0531:

SO you can write the pythagorean theorem \[ 3^2 + 1^2 = c^2 \]

aidenj:

4 4^2

aidenj:

right?

snowflake0531:

No, 3^2 is 9, 1^2 is 1 so we have sqrt10

snowflake0531:

\[2(3+ sqrt(10) \]

aidenj:

12.32

aidenj:

thanks

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