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Mathematics 16 Online
OpenStudy (anonymous):

geometry question

OpenStudy (anonymous):

OpenStudy (anonymous):

please help

imqwerty (imqwerty):

okay if 2 figures are similar then the ratio of their corresponding similar sides is same

OpenStudy (anonymous):

yes

imqwerty (imqwerty):

try using this fact

OpenStudy (anonymous):

so should I do like 12/4=x/2

imqwerty (imqwerty):

yes!! :D here x is side AB right

OpenStudy (anonymous):

yeah! :D

OpenStudy (anonymous):

so x=6

imqwerty (imqwerty):

yeah :D so solving this you get AB try to find other sides like this :)

OpenStudy (anonymous):

Okay thankyou so much!

imqwerty (imqwerty):

okay well its given that ED=CD and AE=BC and we know the values we only had to find AB :) so its done np :)

imqwerty (imqwerty):

now just add em up to get perimeter

OpenStudy (anonymous):

so then the perimeter would be... hold on

imqwerty (imqwerty):

kk

OpenStudy (anonymous):

the smaller pentagon would be 12.6

OpenStudy (anonymous):

and the larger one would be 38

OpenStudy (anonymous):

oh lol it only asks for ABCDE so.. 38?

imqwerty (imqwerty):

yes :D both are correct

OpenStudy (anonymous):

Thanks so much! :D

imqwerty (imqwerty):

np :)

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