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2. How do you find diameter from the circumference of a circle?

   socratic.org/questions/how-do-you-find-diameter-from-the-circumference-of-a-circle

   the circumference C and diameter d. are related by the equation. C = πd. so to find the diameter we simply divide the circumference by π. d = C π. Answer link.

3. How do you find diameter of a circle with area? - Socratic

   socratic.org/questions/how-do-you-find-diameter-of-a-circle-with-area

   D=(2)(sqrt(A/\pi)) It is known that the area of a circle is A=\pir^2. If the area of the circle is given, the radius r, can be calculated and that is through literal transposition.

4. How do you find atomic radius given the density? - Socratic

   socratic.org/questions/how-do-you-find-atomic-radius-given-the-density

   Here's one way to do it. > For a metal, you need the density, the molar mass, and the crystal structure. Let's calculate the atomic radius of polonium, which has molar mass = 209 g/mol, density = "9.32 g/cm"^3, and exists in a simple cubic unit cell. We see that there is 1 atom per unit cell (1/8 "atom" at each corner) and that the edge length of the cell (a) is twice the atomic radius (r ...

5. If the volume of a sphere is #2304pi#, then what is the diameter?

   socratic.org/questions/if-the-volume-of-a-sphere-is-2304-then-what-is-the-diameter

   The diameter is 24. The formula for volume of a sphere is: V=4/3pir^3 Since we know the volume, and have to find the diameter (twice the radius), we need to determine the radius first. Hence, using the given data: 2304pi=4/3pir^3 We can cancel pi from each side. 2304=4/3r^3 Multiply both sides by 3/4. 2304xx3/4=3/4xx4/3r^3 2304xx3/4= (cancel3 ...

6. How do you find the radius of a circle given the length of an...

   socratic.org/questions/how-do-you-find-the-radius-of-a-circle-given-the-length...

   If you have the sector angle θ, and the arc length, l then you can find the radius. r = 180 ×l πθ. Answer link. The circle with radius r has a circumference 2*pi*r which corresponds to an angle of 360^o. If you are given an arc of a certain angle lets say p^o degrees which is l in length then p^o/360^o=l/ (2*pi*r)=>r= (360^o*l)/ (2*pi*p^o)

7. How do you find the diameter of the sun, given angular ... -...

   socratic.org/questions/how-do-you-find-the-diameter-of-the-sun-given-angular...

   The angular diameter of the Sun is nearly 0.5334 deg. The diameter of the solar disc is nearly (Earth-Sun distance) X (angular diameter in radian) = 149598262 X (0.5334 pi /180) = 1392700 km.. When the radius of a circle is large and the angle subtended by an arc is small, the arc will be nearly straight. So, the arc length is nearly the chord length. Arc length = (radius) X (angular spacing ...

8. The circumference of a circle is 12picm. How do you find the a...

   socratic.org/questions/the-circumference-of-a-circle-is-12pi-cm-how-do-you...

   (a) Diameter is 12 cm; (b) radius is 6 cm; and (c) area is 36pi cm^2. If r is the radius of a circle, then its circumference is 2pir and area is pir^2. As circumference is given to be 12pi, we have 2pir=12pi or r=(12pi)/(2pi)=6 cm. As such radius is 6 cm and diameter being double of radius, diameter is 2xx6=12 cm. and area is pixx6^2=36pi cm^2.

9. How do you find the center of a circle with the Midpoint ... -...

   socratic.org/questions/how-do-you-find-the-center-of-a-circle-with-the...

   Assuming you have either endpoint of the diameter of a circle, you can use the midpoint formula to find the point midway between the two points. According to the definition of a diameter, this will be the circle's center point. If you have the points (x1,y1) and (x2,y2), the midpoint formula is (x1 + x2 2, y1 + y2 2). Have the endpoints of the ...

10. What is the circumference of a circle when the diameter is 18?

    socratic.org/questions/what-is-the-circumference-of-a-circle-when-the-diameter...

    The answer is 56.57. In the process, Diameter= 18, Radius(r)= (18)/2 :. Radius= 9 Now, Circumference (Perimeter) = ?

11. How do you find the diameter from a circumference of 20?

    socratic.org/questions/how-do-you-find-the-diameter-from-a-circumference-of-20

    diameter =6.36 cm The circumference of the circle is =20 cm (note: assuming units to be in cm) The formula ...