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myrzilka [38]
3 years ago
11

What is the sum of the interior angles of the polygon pictured below?

Mathematics
2 answers:
kkurt [141]3 years ago
8 0

3420°

explanation:

the equation of the sum of interior angles are (n-2)x180

polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator

lisabon 2012 [21]3 years ago
6 0

Answer: 3420

Step-by-step explanation: To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°.

Therefore the formula is (n-2)×180, n being the number of sides. Therefore it's (21-2)×180 which gives you 3420.

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27j - 6 = 14j + 7 *it has to show work*
lutik1710 [3]

27j-6=14j+7

Subtract 14j from both sides

27j-6-14j=14j+7-14j

13j-6=7

Add 6 to both sides

13j-6+6=7+6

13j=13

Divide both sides by 13

13j/13=13/13

j=1


I hope that's help !

4 0
3 years ago
Read 2 more answers
Pls help on algebra homework. Will mark brainliest!
Over [174]

Answer:

H)

Step-by-step explanation:

First, Length XY is 20 centimeters. Since YZ = 3/5 XY, \frac{3}5\times20=12

YZ = 12 + 20 = 32 cm, hence H)

Hope you have a nice day! (Pls mark brainliest)

4 0
2 years ago
A carpenter has s wooden dowel that is 72cm long. She wants to cut into two pieces so that one piece is 5 times as long as the o
Serggg [28]
It's 12 and 60
Call (n) is the first piece of wooden, so the second piece of wooden is 5n.
=> n + 5n = 72 
=> 6n = 72 
=> n = 12
The first piece is 12 and the second piece is 60.
 * Sorry my English is so bad =)))
7 0
3 years ago
What are all the partial products for 5×1,234?
slava [35]

The partial products of 5 * 1234 are 5 * 1000, 5 *200, 5 * 30 and 5 * 4

<h3>How to determine the partial products?</h3>

The product expression is given as:

5 * 1234

Express 1234 as the sum of numbers

5 * (1000 + 200 + 30 + 4)


Expand

5 * 1000 + 5 *200 + 5 * 30 + 5 * 4

Hence, the partial products of 5 * 1234 are 5 * 1000, 5 *200, 5 * 30 and 5 * 4

Read more about partial products at:

brainly.com/question/705781

#SPJ1

7 0
1 year ago
So the blue point is -10 but then it says it’s far from 10 confused
statuscvo [17]

This number line is counting by 5's. Each dash is valued 5 numbers.

The blue point would be -10. Even though on this number line -10 visually looks "close" to 10, it isn't. They are 20 numbers apart.

Hope this helped!

~Just a girl in love with Shawn Mendes

6 0
3 years ago
Read 2 more answers
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