3 years ago

SOLVE FOUR AND FIVE I WILL GIVE BRAINLIST!

Mathematics

1 answer:

asambeis [7]3 years ago

6 0

Answer:

see explanation

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = πd ( d is the diameter )

(4)

Here d = 18, thus

C = 18π in

(5)

Here C = 50π, thus

πd = 50π ( divide both sides by π )

d = 50 in

The radius r is one half of the diameter , thus

r = 50 ÷ 2 = 25 in

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