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erica [24]
3 years ago
15

PLEASE GEOMETRY HELP WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
labwork [276]3 years ago
4 0

Answer:

3240°

Explanation:

The formula for calculating the sum of the interior angles of a polygon is (n-2)x180 where n refers to the number of sides. Because we know that the polygon has 20 sides, the equation would be (20-2)x180. The answer would be 3240°.

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18 girls and 12 boys on a swim team. what is the percentage of boys?​
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Answer:

40%

Step-by-step explanation:

The first step is to add 18 girls + 12 boys, which gives you the total number of people on the swim team, 30.

Next, you divide the 12 boys by the total swim team members, so:

\frac{12}{30} = 0.4

Then, you multiply 0.4 by 100 to get the percentage:

0.4 × 100 = 40

Therefore, the swim team is made up of 40% boys, and 60% girls.

6 0
3 years ago
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What is the missing reason in step 6? SSS congruency theorem CPCTC definition of a parallelogram opposite sides in a parallelogr
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For the two parallelogram to be congruent, their corresponding sides must be equal

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For the two parallelogram to be congruent, their corresponding sides must be equal

Find out more on similar figures at: brainly.com/question/26173060

7 0
3 years ago
You place a billiard cue against a billiard table. The foot of the billiard cue is 15 cm away from a table and the top of the bi
irinina [24]

Answer:

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Hope this helps :)

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Pls complete the question

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