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How do you do this?please help
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How do you do this?please help

How do you do this?please help-example-1
User Nico Rikken
by
8.1k points

1 Answer

0 votes

Answer:

10.5 ft.

Explanation:

1. Find the radius of the larger circle

4/7 = 3/r --> the ratio should be constant

cross-multiplication: 21 = 4r

Divide: r = 5.25 ft.

2. Find the circumference

Equation: C = 2πr

C = 2π*5.25

C = 10.5π ft.

User Maher Abuthraa
by
7.2k points
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