MATHguide's Surface Area of Spheres Quizmaster
Review the Lesson | MATHguide homepage Updated November 12th, 2016


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When the diameter = 28 units, calculate the information below. Use 3.14 as an approximation for π and round all answers to the nearest tenth.

What is the radius?r = units
What is the circumference?C = units
What is the surface area?TSA = units2