16-06-2019
Mathematics

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Working out diameter and radius from circumference. How.

Working out diameter and radius from circumference How class=

Respuesta :

16-06-2019

Answer:

d = 28 cm

r = 14 cm

Step-by-step explanation:

Circumference = Pi × Diameter

( Divide both sides by Pi )

Circumference ÷ Pi = Diameter

28 ÷ π = Diameter

Diameter = 28

Radius = Half the diameter

28 ÷ 2 = 14

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