Bellwork  Solve for x!  1.x + 3 = 12  2.x – 8 = - 14  3.5 + x = - 17  4.- 7 + x = - 2.

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Presentation transcript:

Bellwork  Solve for x!  1.x + 3 = 12  2.x – 8 = - 14  x = - 17  x = - 2

SPHERES: VOLUME AND SURFACE AREA Pre-Algebra

Spheres  Spheres  A set of all points in space that are a given distance, know as the radius, from a given point, known as the center

Volume of a Sphere  VVolume  Pi – 3.14  RRadius v = 4πr 3 3

Surface Area of a Sphere  ASurface Area  Pi – 3.14  RRadius

Find the volume (to the nearest whole number) of a sphere with a radius of 6.

Find the volume (to the nearest whole number) of a sphere with a diameter of 14.

Find the surface area (to the nearest whole number) of a sphere with a radius of 10.

Find the surface area (to the nearest tenth) of a sphere with a radius of 8.