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scZoUnD [109]
3 years ago
11

What is the sum of measurements of the interior angles of a 12-gon?​

Mathematics
2 answers:
Olin [163]3 years ago
8 0

Answer:

1800

Step-by-step explanation:

Given in the question a polygon of 12 sides

Formula to calculate sum of interior angles of 12-gon is

<h3> (n – 2)180</h3>

where n is the number of sides

which in this case = 12

plug values in the formula above

(12 - 2)180

12*180 - 180(2)

2160 - 360

1800

Sum of measurements of the interior angles of a 12sided polygon is 1800

Maru [420]3 years ago
8 0

Answer:

=1800°

Step-by-step explanation:

A 12 sided figure is called a do-decagon or a 12-gon. The general formula for calculating the sum of all interior angles of a regular polygon is=180(n-2)

n represents the number of sides of the polygon.

Therefore, the sum of all angles= 180(12-2)

=1800°

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If a car car travels 190 km at 10 hours find how much speed will be travelled in one hour?​
Fed [463]

Answer:

19km

Step-by-step explanation:

190km divided by 10hr = 19km per 1hr

5 0
3 years ago
Find the slope, or rate of change, from the graph.
TEA [102]

Answer:

-1/2

Step-by-step explanation:

slope is rise over run

or y change divided by x change

to find the slope you need to find points on the graph that meet exact points on the graph

i see (0,1) and (2,0)

to find slope without graph it would be (y2-y1)/(x2-x1)

in this case (0-1)/(2-0)

=-1/2

with graph you can count that it goes down -1 squares and to the right 2 squares

hope this helps

4 0
3 years ago
Read 2 more answers
Write an equivalent expression for the expression shown below:<br><br> a/3 + a/3 + a/3
iris [78.8K]

Answer:

3 (a/3) = a

Step-by-step explanation:

a/3 + a/3 + a/3

3 times a/3

the 3's cancel each other out

A

Keep up the good work! =)

3 0
4 years ago
In a square,the sum of the length of three sides is 48 and in a rectangle the difference between a length and width is 7 in if a
kap26 [50]

Answer:

23

Step-by-step explanation:

The sides of a square are all the same length, so if 3 of them total 48, one of them must be 48/3 = 16.

If the length of the rectangle is 7 longer than the side of the square, it is

... 16 + 7 = 23

8 0
3 years ago
Which operation properly transforms matrix I to matrix II?
Y_Kistochka [10]

Answer:

D

Step-by-step explanation:

Replace R1 with 1 and R3 with 0 you have -2(1)+0 which equals 0 and that matches matrix II. Repeat the process with the other numbers in R1 and R3 and they all come out equal therefor the answer is D.

8 0
3 years ago
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