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Other questions on the subject: Mathematics
Mathematics, 20.06.2019 18:04, Uc34758
Here is their argument. given the obtuse angle x, we make a quadrilateral abcd with ∠dab = x, and ∠abc = 90◦, and ad = bc. say the perpendicular bisector to dc meets the perpendicular bisector to ab at p. then pa = pb and pc = pd. so the triangles pad and pbc have equal sides and are congruent. thus ∠pad = ∠pbc. but pab is isosceles, hence ∠pab = ∠pba. subtracting, gives x = ∠pad−∠pab = ∠pbc −∠pba = 90◦. this is a preposterous conclusion – just where is the mistake in the "proof" and why does the argument break down there?
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Mathematics, 21.06.2019 19:00, campbellkruger
If olu is twice as old as funmi if the sum of their ages is 60 how old is olu
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Mathematics, 22.06.2019 04:00, jakijakicarrillo12
Miguel has one foot of string. he cuts the string into fourths. how many inches is each piece of string?
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