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if the track and field hs half a circle at ...rectangle has dimensions

**L**and W say the W is... diameter is W the**r**= W/2 the perimeter of the circle = 2pi...2 Answers · Science & Mathematics · 07/05/2019

Let the center of the left curve be

**L**, the center of the right curve be**R**. And let the point of intersection of both rails be X . LX...2 Answers · Science & Mathematics · 12/09/2016

...and

**L**, the length of the arc of the circle (here 50cm) : the link is : a =**L**/**R**so :**R**= D/2 =**L**/a and finally D = 2L/a for the...4 Answers · Science & Mathematics · 02/09/2013

...0-1) ... ⇒ y = -2 (x-1)/2 = (0-1) ... ⇒ x = -1 {3,2,0} is perpendicular to L which has direction {2,-3,1} Answer: r (t) = {-1,-2,0} + t {3,2,0} Answer: θ = arcsin[2100/2600] ≈ 53°

2 Answers · Science & Mathematics · 14/06/2013

...gt;

**R**] * [E> F] 6,7, Conj 9.**R**v F 3,8, CD tells me if i guessing luckier, or is a ways off tracks , most please.1 Answers · Science & Mathematics · 06/05/2013

...three times and as well as the perimeter W=9

**L**=12 P=42 Answer is D, 9 #7 is easy, they try to confuse you. The track is still 2 miles long; thus, they will go 500...2 Answers · Science & Mathematics · 08/02/2013

... need to get an equation for the area of a 400m track . You can start with the radius of the semicircles... fixed at 400 yards, so given

**r**or**l**, you can determine the other. Let's start with radius...3 Answers · Science & Mathematics · 16/01/2013

area = pi

**r**^2 + 2Lr perimeter = 1 = 2pi**r**+2L solve perimeter for**L L**= (1- 2pi**r**)/ 2 substitute into area equation A=pi**r**^2 +**r**(1- 2pi**r**) find dA/dr set to zero solve for**r**1 Answers · Science & Mathematics · 27/11/2012

... correctly, ... in any case if you rref the matrix then , keeping track of which variable goes with each column you should be able to read off how the...

1 Answers · Science & Mathematics · 26/10/2012

... rid of width -therefore total area (At) of track is rectangle plus 2 halves (aka a whole..., with variables only Pt = 2 (

**L**) + 2 (pi**R**) = 2 (**L**+ pi***R**) ; but since you ...4 Answers · Science & Mathematics · 21/08/2012

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