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anonymous
 one year ago
What are scale drawings? Can you give an example?
anonymous
 one year ago
What are scale drawings? Can you give an example?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0in your own words please :) and i need the example in words

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0scale drawings are drawings which refer to real objects, nevertheless their measures are reduced with respect to the corresponding real measures according to a scale factor. An example are the geographical maps

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Awesome.. can you give me another example?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0another example are drawings used in order to design a mechanical construction, namely boats, race cars, planes, and so on

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you give me like a word problem example please :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no just like a regular word problem

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0sorry, what is a regular word problem?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0just give me another example.. but as a word problem .. it doesnt matter what type @Michele_Laino

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0another example comes from drawings used to design architectural constructions

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thats not a word problem @Michele_Laino

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0I'm sorry, I don't know what is a word problem

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0like this for example.. if the distance on a map is 2 cm represents 50 meters , what is the scale factor?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0In that case, the scale factor is: \(2\) cm corresponds to \(50\) meters, or \(1:25\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok now can you give me an example like that

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0another example, is from boats constructions: 600 millimeters represents a distance of 3 meters so the scale factor is: \(200:1\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks.. next question :) What are vertical angles? can you give an example?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0please wait a moment

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0vertical angles is a couple of angles in which the sides of an angle are the prolongations of the sides of the other angle of the couple. Here is an example: dw:1444060498908:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do i explain that example to my teacher in words?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0in that example we have considered the vertical angles which come from the intersection between two infinite coplanar and incident lines

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you find the area and circumfrance of a circcle given the radius or diameter?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0it is simple, if \(r\) is the radius and \(D\) is the diameter, then we can write this: \[\begin{gathered} A = \pi {r^2} = \pi \frac{{{D^2}}}{4} \hfill \\ C = 2\pi r = \pi D \hfill \\ \end{gathered} \] \(A\) stands for area, and \(C\) stand for circumference length

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0more explanation: \[\begin{gathered} A = \pi {r^2},\quad {\text{ or }}A = \pi \frac{{{D^2}}}{4} \hfill \\ C = 2\pi r,\quad {\text{or }}C = \pi D \hfill \\ \end{gathered} \]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but i dont get any of those things... how would you explain it to a teacher. please make it very simple :) @Michele_Laino

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0here is the explanation using words only: area is given by the product of 3.14 by the square of radius

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0or by the product of 3.14 and the square of diameter divided by four

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0circumference is given by the product of 6.28 by the radius, or is given by the product of 3.14 by the diameter

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay.. so is this the answer? area is given by the product of 3.14 by the square of radius or by the product of 3.14 and the square of diameter divided by four. circumference is given by the product of 6.28 by the radius, or is given by the product of 3.14 by the diameter.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0why did you use 3.14 and 6.28?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0since, the quotient by the length of a circumference and the diameter of that circumference is an irrational number, namely: 3.14159....(infinite decimal figures) which can be approximated to 3.14

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0the quotient between*

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.06.28 is 3.14*2=6.28

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you describe the difference between complementary and supplementary angles?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0complementary angles are angles whose sum is congruent to a right angle. here is an exmaple: dw:1444061870759:dw Supplementary angles are angles whose sum is congruent to a flat angle. here is an example: dw:1444061943310:dw

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0I meant AOB is a right angle* in the first picture

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you discuss the differences between circumfrance and area of a circle?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0area of a circle is the measure of the extension of that circle, whereas the circumference of a circle is the measure of the contour of that circle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok next! @Michele_Laino

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do you know what cross sections of a rectangular pryamid looks like? :)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0if the cross section is made with a plane parallel to the base of that pyramid, then it is a rectangle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok but can you describe what it would look like in words :)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444062444548:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks so much! please stay online because i have more questions for you :)
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