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katrin [286]
3 years ago
14

17. The sum of interior angles in a polygon is related to its number of sides.

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

s = 1800°

To find the sum of interior angles in a polygon you can use the following equation

(sides - 2) * 180\\\\(12 - 2) * 180\\(10) * 180\\1800\\

If this helped you a Brainliest would be appreciated!

shtirl [24]3 years ago
5 0

Answer is:

s would be 1800.

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The line with equation a + 4b = 0 coincides with the terminal side of an angle θ in standard position and cos θ>0 . What is t
Nikitich [7]

Answer:

\frac{-1}{\sqrt{17} }

Step-by-step explanation

We have given that equation of line a+4b=0

⇒4b= -a

⇒b= \frac{-a}{4}

slope of line = tan\theta =\frac{P}{B}= \frac{-1}{4}

⇒ tan\theta is negative therefore it lies into 4th quadrant

By, Pythagoras theorem H^2=P^2+B^2

by putting value of P= -1 & B=4

the value of H=\sqrt{17}

with the given condition cos\theta>0

i.e. \theta∈ (3π/2, 2π)

now, sin\theta= \frac{P}{H}= \frac{-1}{\sqrt{17}}



6 0
2 years ago
This is pretty easy, give me some synonyms for the word brazeness. When you do that find me some antonyms.
Alecsey [184]

Answer:

Synonyms: Shameless, bold, audacious

Antonyms: Timid, shy

Step-by-step explanation:

3 0
3 years ago
Least Common Factor of 9 42 57
AlexFokin [52]
Should be 3 

hope this helps
7 0
3 years ago
Which expression is equivalent to (3b 2r) (4b r)? 7b 2r 7b 3r 12b 2r 12b 3r.
Maslowich

To add the variables, add the coefficients with same variable. The expression which is equivalent to given expression is 7b+3r. The option 2 is the correct option.

<h3>What is equivalent expression?</h3>

Equivalent expression are the expression whose result is equal to the original expression, but the way of representation is different.

Given information-

The expression given in the problem is,

(3b+2r)+(4b+r)

Let the resultant expression of the above expression is x. thus,

x=(3b+2r)+(4b+r)

To add the algebraic terms open the brackets first,

x=3b+2r+4b+r

Separate the same variable terms,

x=3b+4b+2r+r

To add the variables, add the coefficients with same variable. Thus,

x=7b+3r

Hence, the expression which is equivalent to given expression is 7b+3r. The option 2 is the correct option.

Learn more about the equivalent expression here;

brainly.com/question/2972832

4 0
2 years ago
2 ordered pairs of 6x+9y=0
jeka94

Answer:

1st

6x+9y=0

9y=6x

Y=6x/9

2nd

6x+9y =0

6x=9y

X=9y/6 ans

4 0
3 years ago
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