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Rectangle ADEF and isosceles trapezoid FBCE both have a base of 4. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 2. How long is BC? Round your answer to the nearest tenth.
 one year ago
 one year ago
Rectangle ADEF and isosceles trapezoid FBCE both have a base of 4. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 2. How long is BC? Round your answer to the nearest tenth.
 one year ago
 one year ago

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rebecca1233Best ResponseYou've already chosen the best response.0
dw:1360253439938:dw
 one year ago

Bri_LoveBest ResponseYou've already chosen the best response.1
2. Draw FBCE with BC at the top, at FE as the base. Draw lines straight down from B and C to FE, to form triangles with angles, 45, 45, 90. This is a 1:1:sqrt(2) triangle the length of each of the sections is 6 / sqrt(2) = 3 * sqrt (2) There are 2 of the triangles. 12  2 * (3 * sqrt (2)) = 12  6 sqrt(2) = 12  8.485 = 3.5
 one year ago

rebecca1233Best ResponseYou've already chosen the best response.0
thats not an answer option
 one year ago

rebecca1233Best ResponseYou've already chosen the best response.0
i showed u the image
 one year ago

rebecca1233Best ResponseYou've already chosen the best response.0
can u help me with 2 more please
 one year ago
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