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Rectangle ADEF and isosceles trapezoid FBCE both have a base of 20. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 9. How long is BC? Round your answer to the nearest
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Rectangle ADEF and isosceles trapezoid FBCE both have a base of 20. The lower base angles of the trapezoid are 45° and the legs of the trapezoid are 9. How long is BC? Round your answer to the nearest tenth.

Rectangle ADEF and isosceles trapezoid FBCE both have a base of 20. The lower base-example-1
User Gomesh Munda
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3 votes

Answer
\\ΔABF is an isosceles right triangle,BC=20-18
√(2)

User RodolfoSilva
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