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Mathematics 18 Online
OpenStudy (anonymous):

What is the missing side length of an irregular pentagon with side lengths nineteen point nine centimeters, twenty-four point eight centimeters, thirty centimeters and forty-nine point two centimeters, if the perimeter is equal to the perimeter of a regular hexagon with side length twenty-six centimeters?

OpenStudy (anonymous):

@hartnn

OpenStudy (anonymous):

@himan700

OpenStudy (anonymous):

@terenzreignz

OpenStudy (ivettef365):

what is the perimeter of the regular hexagon ?

OpenStudy (ivettef365):

perimeter is the sum of all the sides regular hexagon means all sides are equal you have information that one side is 26 so what is the perimeter?

OpenStudy (ivettef365):

@iceicebaby ??

OpenStudy (anonymous):

52 ?

OpenStudy (anonymous):

cause you add up both the sides right

OpenStudy (ivettef365):

hexagon have 6 sides if each side measures 26 what is the measure of all the sides ?

OpenStudy (anonymous):

156

OpenStudy (ivettef365):

good, so the irregular pentagon (5 sides) have different measures on side, they are giving you 4 of the 5 only need to find the 5th side so subtract the 4 sides from 156

OpenStudy (ivettef365):

and the difference is the measure of the 5th side, which is what you are looking for

OpenStudy (anonymous):

so its 52

OpenStudy (ivettef365):

is 156 - 19.9 - 24.8 - 30 - 41.2 = ???

OpenStudy (anonymous):

40.1

OpenStudy (ivettef365):

correct

OpenStudy (anonymous):

ok so what is the next step

OpenStudy (ivettef365):

there is no next step, the question is asking you what is the missing side

OpenStudy (anonymous):

six point one centimeters twenty-three point two centimeters thirty-two point one centimeters fifty-eight point one centimeters these are my answers that they give me

OpenStudy (anonymous):

??

OpenStudy (ivettef365):

I got it the last side is not 41.2 is 49.2

OpenStudy (ivettef365):

so you need to subtract as follows: 156 - 19.9 - 24.8 - 30 - 49.2 = ???

OpenStudy (anonymous):

32.1

OpenStudy (ivettef365):

correct

OpenStudy (anonymous):

@ivettef365 your wrong because it asks; What is the missing side length of an irregular PENTAGON, NOT a hexagon

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