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GeometryQuestion and Answers: Page 55

Question Number 139840 Answers: 1 Comments: 1

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Given a convex hexagon ABCDEG satisfy: AB=BC, CD=DE, EF=FA. Suppose △ACE is a right triangle. (((BC)/(BE))+((DE)/(DA))+((FA)/(FC)))_(min) =?

$G i v e n a c o n v e x h e x a g o n A B C D E G$ $s a t i s f y : A B = B C, C D = D E, E F = F A .$ $S u p p o s e △ A C E i s a r i g h t t r i a n g l e .$ ${(\frac{B C}{B E} + \frac{D E}{D A} + \frac{F A}{F C})}_{m i n} = ?$

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the ratio of the interior angle to the exterior angle of a regular polygon is 5:2. Find the number of sides of the polygon.

$the ratio of the interior angle$ $to the exterior angle of a$ $regular polygon is 5 : 2 . Find$ $the number of sides of the$ $polygon .$

Question Number 137327 Answers: 1 Comments: 0

in triangle ΔABC: BC=1, ∠B=2∠A. find the maximum area of ΔABC.

$i n t r i a n g l e Δ A B C : B C = 1, ∠ B = 2 ∠ A .$ $f i n d t h e m a x i m u m a r e a o f Δ A B C .$

Question Number 137314 Answers: 1 Comments: 1

The diagonals of a convex quadrilateral divide the area into A, B, D and C (numbered clockwise) such that A/B = C/D. Does this theorem have a name?

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Given a cube ABCD.EFGH where point Z is the midpoint of AE, point R on the edge of BC such that BR: CR = 3: 1, point U on the CG edge so that CG = 2GU. where x is the angle of the BR line to the BUZ plane. the value of sin x is equal to

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