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ch4aika [34]
3 years ago
7

What is the circumference of the circle shown below?​

Mathematics
2 answers:
Wittaler [7]3 years ago
7 0
I think the answer is D but in not sure
antoniya [11.8K]3 years ago
7 0
<h3>tema</h3>

\bold{CIRCUMFERENCE  \: OF \:  THE  \: CIRCLE}

  • The circumference of a circle is the distance around the outer edge of a circle. With other shapes, we can find the perimeter of the circle. The perimeter is the distance around a polygon. Circles are not polygons because they are not made of line segments.

----------------------------------------------------------------------------------------------

\bold{P=2 \times  \pi \times r}

\bold{P=2×3.14×19.50}

\bold{P=6.28  \times 19.50}

\bold{P=122.46}

----------------------------------------------------------------------------------------------

\boxed{ \boxed{ \boxed{ \bold{c. \red{122.4 \: cm}}}}}

⭐----------------------------------------------------------------------------------------------⭐

\bold{BRAINLYMENTALMENTE}

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Step-by-step explanation:

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y=5/2x

Step-by-step explanation:

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Sergio039 [100]

1. We know that 1 feet = 12 inches

let x be a number of inches, which when added to 18 inches will give 7 feet

18 inches + x inches = 7 feet

18 inches + x  inches = 84 inches                      <em> [1 feet = 12 inches]</em>

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2. We know that 1 mile = 1760 yards

let x be the number of yards, when added to 2000 yards will be equal to 2 miles

2000 yards + x yards = 2 miles

2000 yards + x yards = 3520 yards

x yards = 1520 yards

3. We know that 1 feet = 12 inches

Number of feet = Given number of inches / 12

Number of feet = 108 / 12

Number of feet = 9 ft.

4. We know that 1 mile = 5280 feet

let x be the number of feet, when added to 8800 feet. will be equal to 8 miles

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8800 feet + x feet = 42240 feet             <em>[1 mile = 5280 feet]</em>

x feet = 42240 - 8800

x feet = 33440 ft.

5. We know that 12 inches = 1 feet

let x be the number of inches, when added to 37 inches, will be equal to 5 feet

37 inches + x inches = 5 feet

37 inches + x inches = 60 inches        <em> [12 inches = 1 feet]</em>

x inches = 23 inches

6. We know that 1 yard = 3 feet

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Number of yards = number of feet / 3

Number of yards = 73 / 3 = 24.33 yards

7. We know that 1 yard = 3 feet

let x be the number of feet added to 15 feet to make 9 yards

15 feet + x feet  = 9 yards

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let x be the number of yards remaining to reach 4 miles

3000 yards + x yards = 4 miles

3000 yards + x yards = 7040

x yards = 4040 yards

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So, number of yards * 3  = number of feet

replacing the values:

number of yards*3 = 114

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number of yards = 38 yards

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x feet + 9000 feet = 3 miles

x feet + 9000 feet = 15840 feet

x ft = 6840 ft

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3500 yards + x yards = 2 miles

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number of feet = number of inches / 12

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Nezavi [6.7K]

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Step-by-step explanation:

3 0
3 years ago
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