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ad-work [718]
3 years ago
13

Welp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Radda [10]3 years ago
8 0

Answer:

First and last one

Step-by-step explanation:

You have to use Pythagoras. Square the first two numbers (smallest) and then add them together. Square root the answer and if it gives you the largest number in the set, it‘s right

Hope this helps!

anymore questions let me know :)

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A slice is made perpendicular to the base of a right rectangular prism, as shown. What is the area of the resulting two-dimensio
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14 * 20 = 280

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3 years ago
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List at least three shapes, other than pentagons, in the table. If the shape is a polygon, indicate whether the shape is regular
Sergio [31]

The number of times that the shape will map back onto itself as the shape rotates 360° about its center is 6.

<h3>What is the sum of all the exterior angles of a regular polygon?</h3>

For a regular polygon of any number of sides, the sum of its exterior angle is 360° (full angle).

Regular polygons have all sides the same and that apothem bisects the side in two parts, (provable by symmetry).

A regular polygon with n sides can map onto itself by n times

It will rotate 360°/n about its center every time and will map onto itself

Examples are in the attached table as well as the solution.

The number of times that the shape will map back onto itself as the shape rotates 360° about its center is 6.

Learn more about a regular polygon here:

brainly.com/question/14173422

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3 0
2 years ago
Can somebody help me asap.
ehidna [41]

Answer:

Step-by-step explanation:

1) m∠1 +m∠2 + m∠3 = m∠LAM (Angle addition postulate)

2) m∠1 + m∠2 + m∠3 = 180 (def. of straight angle)

3) y║z (Given)

4) ∠1 ≅ ∠5 (alternate interior angles theorem)

5) ∠3 ≅ ∠6 (alternate interior angles theorem)

6) Since m∠1 + m∠2 + m∠3 = 180

m∠5 + m∠2 + m∠6 = 180

Hence proved.

7 0
3 years ago
2[2y-1]+5=19 what are the solutions?
skelet666 [1.2K]

Answer:

y = 4

Step-by-step explanation:

2[2y-1]+5=19   (by PEDMAS, distribute parentheses first)

(2)(2y) - (2)(1) + 5 = 19

4y - 2 + 5 = 19

4y +3 = 19    (subtract 3 from both sides)

4y = 19 - 3

4y = 16  (divide both sides by 4)

y = 16/4

y = 4

5 0
3 years ago
Read 2 more answers
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