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Well I suggest a windmill !! hope it' ll help !!

1 Answers · Science & Mathematics · 13/12/2013

...mean you'll learn & find it easier to remember. do the same for a 180 degree

**rotation**, but you'll find that all co-ordinates become the negative of what they...1 Answers · Science & Mathematics · 23/12/2008

This isn't as difficult as you think. You just think of the point (2,0) as though it was the origin. Now take the nearest point it is 1 up in the y direction. rotate it 90 degrees and its 1 across in the x direction from the point (2,0). Now take the point 4,1...

1 Answers · Science & Mathematics · 07/02/2014

Based on another homework problem in here, the earth has a radius of about 6,400 km. If you assume that the earth spun such that the equator always was perpendicular to the sun (no precession), then calculate the speed as the circumference divide by 24 hours (again assuming that the day...

1 Answers · Education & Reference · 09/12/2008

Rotating 90° counterclockwise yields (x,y) ==> (-y,x) Rotating 90° clockwise yields (x,y) ==> (y,-x) Then, R90c (8,-2) ==> (2,8) R90 (-3,2) ==> (2,3) I hope this helps!

1 Answers · Science & Mathematics · 14/03/2011

...diameter would be 17 in + 2(7 in) which is 31 inches. Since a tire

**rotation**is a tire spinning around an entire time to cover a linear distance, you...2 Answers · Science & Mathematics · 26/02/2014

the parent function y = x is rotated 90° and raised 4 units

1 Answers · Science & Mathematics · 05/10/2018

... of "pi" is pretty simple. 2 pi = 360 degrees (one full

**rotation**) SO..... 180 degrees = pi (1/2 of a**rotation**) and 90 degrees...1 Answers · Science & Mathematics · 25/01/2012

it is a

**rotation**: z' = e^(i90)*z z' = i*z z'(A) = i*(-3 -6i) = 6 - 3i ;----> A' ( 6; -3) z'(B) = i*(-3 -4i) = 4 - 3i ;----> B' ( 4; -31 Answers · Science & Mathematics · 07/06/2010

..., it still looks like an H. this means it has rotational symmetry at 180 degrees 4) square since a square has 4 right ...

1 Answers · Science & Mathematics · 15/05/2009

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