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schepotkina [342]
3 years ago
13

Part A The circumference of a dinner plate is 19.5 inches. ​ ​What is its radius? ( use π=3.14 ) Round your answer to the neares

t hundredth. inches.
Mathematics
1 answer:
VikaD [51]3 years ago
3 0

Circumference = PI x diameter

FInd the diamter:

19.5 = 3.14 x diameter

Divide both sides by 3.14:

Diameter = 19.5 / 3.14

Diameter = 6.21019108 inches.

Radius = diameter / 2

Radius = 6.21019108 / 2

Radius = 3.10509554 inches

Rounded to the nearest hundredth = 3.11 inches.

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