Mathematics, 18.06.2020 18:57 milkshakegrande101
Jeremy makes a paperweight for his mother in the shape of a square pyramid. The base of the pyramid
has a side length of 10 centimeters, and the lateral faces have heights of 11 centimeters. After he finishes,
he realizes that the paper weight is too small and decides to make another one. To make the second
pyramid, he doubles the length of the base in the first pyramid.
Select Yes or No to indicate whether the statement is correct.
?
The surface area of the second pyramid is 840 cm?.
The surface area doubled from the first pyramid to the second pyramid.
?
The lateral area doubled from the first pyramid to the second pyramid.
2
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 19:00
[15 points, algebra 2]simplify the complex fraction and find the restrictions.
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Mathematics, 21.06.2019 21:30
Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m
Answers: 2
Mathematics, 21.06.2019 23:10
What is the distance between the points (2, 5) and (5,9)?
Answers: 1
Jeremy makes a paperweight for his mother in the shape of a square pyramid. The base of the pyramid...
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