Mathematics, 07.06.2021 22:50 wesfleridor
the histogram on the left shows the number of hours students in an art class practiced drawing during one week.
Answers: 1
Mathematics, 20.06.2019 18:04
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 14:30
Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?
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Mathematics, 21.06.2019 15:50
If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?
Answers: 1
Mathematics, 22.06.2019 00:30
What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?
Answers: 1
the histogram on the left shows the number of hours students in an art class practiced drawing durin...
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