Finding the radius and diameter from Circumference

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Presentation transcript:

Finding the radius and diameter from Circumference Silent Teacher Intelligent Practice Narration Your Turn Circumference = 188cm What’s the diameter? Circumference = 94cm What’s the diameter? Circumference = 94cm What’s the radius? Practice

Circumference = 31.4cm What’s the diameter? Circumference = 94.2cm Worked Example Your Turn Circumference = 31.4cm What’s the diameter? Circumference = 94.2cm What’s the diameter?

Give your answers to 3sf Circumference = 18.8cm What’s the diameter? Circumference = 18.8m What’s the diameter? Circumference = 188cm What’s the diameter? Circumference = 94cm What’s the diameter? Circumference = 94cm What’s the radius? Circumference = 10cm What’s the diameter? Circumference = 20cm What’s the radius? Circumference = 0.2m What’s the radius? Circumference = 6cm What’s the diameter? Circumference = 6x cm What’s the diameter? Circumference = 12x cm What’s the radius?

Give your answers to 3sf Circumference = 18.8cm What’s the diameter? 5.98cm Circumference = 18.8m What’s the diameter? 5.98m Circumference = 188cm What’s the diameter? 59.8m Circumference = 94cm What’s the diameter? 29.9cm Circumference = 94cm What’s the radius? 15.0cm Circumference = 10cm What’s the diameter? 3.18cm Circumference = 20cm What’s the radius? 3.18cm Circumference = 0.2m What’s the radius? 0.0318m Circumference = 6cm What’s the diameter? 1.91cm Circumference = 6x cm What’s the diameter? 1.91x cm Circumference = 12x cm What’s the radius? 1.91x cm