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Verdich [7]
3 years ago
10

The perimeter of a circle is called

Mathematics
2 answers:
Serggg [28]3 years ago
6 0
The perimeter of a circle is called the circumference

i hope i helped<span />
N76 [4]3 years ago
4 0
The perimeter of a circle is called the Circumference.

The formula for finding the circumference   is 2r\pi

Or the diameter times 3.14159...
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3 years ago
A subtending arc on a circle with a radius of 4.5 centimeters has an arc length of 8π. The measure of the angle subtended by the
dem82 [27]

Answer: 320°

Step-by-step explanation:

This is a circle geometry.

The arc length of the circle is given to be 8πcm and the radius is 4.5cm.

Now the length of an arc of a circle is

Arc length = πr0°/180° or 2πr0°/360°

To find the angle 0° subtend at the center we equate the arc length with the formula and solve for 0°.Now we go

πr0°/180 = 8π, convert to a simple linear equal and solve for the angle.

πr0° = 8π × 180

0°. = 8π × 180

-----------

π × r

= 8 × 180. 8 × 180

-------- or ---------

9/2. 4.5

= 8 × 180 × 2

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9

= 8 × 20 × 2

= 320°

or 8 × 180/4.5

= 1440/4.5

= 320°

4 0
3 years ago
What is the area of this figure?
Margarita [4]

Answer:

218 cm²

Step-by-step explanation:

= high × wide

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4 0
3 years ago
Can someone help me with these questions?
Anika [276]

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arlik [135]

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Step-by-step explanation:

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4 0
3 years ago
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