I need to know the degrees equaled to the question

Mathematics

1 answer:

valina [46]3 years ago

6 0

I’m sure it’s 141° since it’s two parallel lines

Answer: 141°

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Find the area of a segment of a circle if its arc is 120 degrees and the radius is 3 inches.

Montano1993 [528]

Answer: 9.42 inches, 3π in terms of pi

Step-by-step explanation:

A full circle is 360 degrees, so if the segment has an arc of 120 degrees, it is 1/3 of a regular circle.

To find the area of a circle, we use the equation A = πr^2. In this case, we will divide the equation by 3 because we are only finding 1/ of a circle. So, our equation will be A = (πr^2)/3.

Using 3.14 for π:

A = (πr^2)/3.

A = (π3^2)/3

A = (π9)/3

A = 3π

A = 9.42

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2 years ago

The Elkwood Aquatic Society is working with various reptile species to increase their populations. The initial population of 450

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3 years ago

a math class has a test today there are 30 problems on the test the test has two types of problems multiple choice problems and

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3 years ago

A triangle is dilated by a scale factor of 1/5 and then rotated 90 degree clockwise about the origin. Why is the image similar t

yan [13]

Answers:
The corresponding angles of the triangles are congruent
The image is a reduction of the pre-image
Neither the dilation nor the rotation change the shape of the triangle

Explanation:
For shapes to be similar:
1- there should be a ratio between the sides
2- angles in first shape should be congruent to angles in second shape

Now, a scale factor of 0.2 means that the sides of the image are 0.2 of the length of the original shape. However, angles are not changes

Let's check the choices:
1- The corresponding sides of the triangles are congruent:
This option is incorrect as dilation changes the lengths of the sides

2- The corresponding angles of the triangles are congruent:
This option is correct as neither dilation nor rotation alters the measures of the angles

3- The corresponding sides of the image are 5 times as long as those of the pre-image:
This option is incorrect as the sides of the image are only 0.2 times as long as those of the pre-image

4- The image is a reduction of the pre-image:
This option is correct as the sides of the image are 0.2 times those of the pre-image which means that the shape is reduced

5- Neither the dilation nor the rotation change the shape of the triangle:
This option is correct as both dilation and rotation are rigid transformations that do not alter the shape of the triangle (a triangle remains a triangle only with different side lengths)

6- The rotation reduces the size of the triangle:
This option is incorrect as rotation does not alter the size of the shape. It only changes its position

Hope this helps :)

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3 years ago

Read 2 more answers

( BRAINLIEST QUEATION)

mr Goodwill [35]

Answer:

Step-by-step explanation:

Weight decreased = 108 - 88 = 20 Kg

Percentage decrease = $\frac{20}{108}*100$

= 18.52%

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3 years ago