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Mathematics 22 Online
OpenStudy (anonymous):

Need help with 2 problems!! (Image will be posted!!)

OpenStudy (anonymous):

OpenStudy (anonymous):

119.4 :) would you like an explanation?

OpenStudy (anonymous):

for the second question, angles in a 7 sided shape add up to 900. If the other angles are congruent that means they are equal to each other, so you can make an equation like 900 = 6x +144 756=6x x=126 If you need any help understanding it let me know! :D

OpenStudy (anonymous):

thank you so much :]

OpenStudy (anonymous):

its okay! :) do you want an explanation as to how i did the first one or are you alright with it?

OpenStudy (anonymous):

yes please, an explanation would be nice :]

OpenStudy (anonymous):

okay i think i did it the long way but here goes, angles in a triangle add to 180,so 180 - (37.5 +52.3) = 90.2 so that is the the missing angle in the triangle. Then opposite angles at a point are equal so the fourth angle in the pentagon is also 90.2 Finally angles in a pentagon add up to 540, so if you add all the numbers you have together and take it away from 540 you get the answer 119.4 Does it make sense? :D

OpenStudy (anonymous):

lol yes, thank you :]

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