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NASA

Course: NASA > Unit 2

Lesson 3: Orbital mechanics
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NASA
Measuring the Universe
Orbital mechanics
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Area and circumference of circles challenge

CCSS.Math: 7.G.B.4
Google Classroom

Problem

The circumference of a hula hoop is 86, pi, start text, space, c, m, end text.
What is the radius of the hula hoop?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
start text, c, m, end text
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