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s2008m [1.1K]
2 years ago
8

The circumference of a circle with a radius of 1 is 2π. Set up a proportion to find the circumference of a circle with a radius

of 6.
Mathematics
2 answers:
Helga [31]2 years ago
6 0

Answer:

The circumference is equal to 12\pi\ units

Step-by-step explanation:

we know that

by proportion

\frac{2\pi}{1}\frac{circumference}{radius} =\frac{x}{6}\frac{circumference}{radius}\\ \\x=6*2\pi\\ \\x=12\pi\ units

andrey2020 [161]2 years ago
3 0

Answer:

The circumference of circle is 12π units.

Step-by-step explanation:

Given the circumference of a circle with a radius of 1 units is 2π.

we have to find the circumference of a circle with a radius of 6 units.

we know that by proportion

\frac{Circumference}{Radius}=\frac{Circumference}{Radius}

\frac{2\pi}{1}=\frac{Circumference}{6}

Circumference=2\pi\times 6=12\pi units

The circumference of circle is 12π units.

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Statement (B)

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Which statement below about roots is false?

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This is true, as the root of any number is either a positive or a negative; especially if the rooting index is an even number like 2 or 4. For example, the square root (when the index is 2) of 9 is either +3 or -3. To check, find their squares. +3 x +3 = 9 and -3 x -3 = 9.

(B) A radicand is the symbol used when working with roots.

This statement is false, as the name for the symbol used in root operations is "radical symbol". A radicand is the number or expression whose roots are about to be found. It is the expression that lies under or inside the radical symbol!

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Answer:

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