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Klio2033 [76]
3 years ago
8

What is a arc, radius, and diameter of a circle?

Mathematics
1 answer:
Kryger [21]3 years ago
7 0

Answer:

The circumference, which is the outside edge of the circle. The radius, which goes from any point on the circumference to the centre of the circle. The diameter, which joins the circumference through the centre of the circle.

Step-by-step explanation:

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Ann cleans an apartment in 12 hours and liz cleans an apportment in 18 hours. How long would it take to clean an appartment toge
Tresset [83]
If Ann cleans in 12 hours then she cleans \frac{1}{12} of the apartment per hour. Similarly Liz cleans \frac{1}{18} of the appartment per hour. So together then can clean \frac{1}{12}+\frac{1}{18}=\frac{5}{36} of the apartment for hour. Therefor it will take them \frac{36}{5}=7.2 hours to clean.

The general formula R_{c}=\frac{AB}{A+B} can be used as a check if needed.
5 0
3 years ago
Luke claims two circles are always isometric because the shape never changes. Is he correct?
olganol [36]

Luke asserts that since the shape is constant, two circles are always isometric. he is wrong. No, an isometry keeps the size and shape intact.

Given that,

Luke asserts that since the shape is constant, two circles are always isometric.

We have to say is he accurate.

The answer is

No, an isometry keeps the size and shape intact.

Because a shape-preserving transformation (movement) in the plane or in space is called an isometric transformation (or isometry). The isometric transformations include translation, rotation, and combinations thereof, such as the glide, which combines a translation with a reflection.

Therefore, Luke asserts that since the shape is constant, two circles are always isometric. he is wrong. No, an isometry keeps the size and shape intact.

To learn more about isometric visit: brainly.com/question/110297

#SPJ1

3 0
1 year ago
\A and \B are supplementary angles. If m\A= (3x – 23) and m
mrs_skeptik [129]

2 supplementary angles when added together need to equal 180 degrees.

Add:

3x-23 + 2x-12 = 180

Simplify:

5x -35 = 180

Add 35 to both sides:

5x = 215

Divide both sides by 5:

X = 43

Now replace x with 43 in the equation for angle b:

2(43) -12 = 86-12 = 74 degrees

Angle B = 74 degrees

5 0
3 years ago
A circular mirror has a diameter of 12 inches what is the area in sqaure inches of the mirror
Oksana_A [137]
113.1in² is the answer
3 0
3 years ago
Read 2 more answers
Around 2.232 to the nearest hundredth
Korolek [52]

2.232\approx2.32

3 0
3 years ago
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