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marcoduuuh
Group Title
What is the area of a regular pentagon with sides of length 13 and an apothem of length 8.95, in square units?
 one year ago
 one year ago
marcoduuuh Group Title
What is the area of a regular pentagon with sides of length 13 and an apothem of length 8.95, in square units?
 one year ago
 one year ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
dw:1361849885569:dw
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
dw:1361849940010:dw
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
dw:1361849959838:dw
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
the pentagon is made up of 5 congruent triangles that look like this dw:1361849987636:dw
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
find the area of one of the triangles then multiply that result by 5 to get the area of the pentagon
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
Do I use 1/2bh?
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
If I do, would it be 1/2(13)(17.9)?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
yes, but it would be (1/2)*(13)*(8.95)
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
58.175. 58.175*5=290.875?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
very good
 one year ago

marcoduuuh Group TitleBest ResponseYou've already chosen the best response.1
Thank you for the help!
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
yw
 one year ago
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