Mathematics, 25.03.2020 21:15, eayoungin
Question 10
The point (-3, 6) is on a circle with a center at (2,3). What is the equation of the circle?
Answers: 1
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?
Answers: 2
Mathematics, 21.06.2019 17:30, cupcakes5335
#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.
Answers: 2
Question 10
The point (-3, 6) is on a circle with a center at (2,3). What is the equation of t...
The point (-3, 6) is on a circle with a center at (2,3). What is the equation of t...
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