3 years ago

The measure of each interior angle of a regular polygon is 140 degrees, how many sides does the polygon have

Mathematics

2 answers:

Troyanec [42]3 years ago

6 0

Answer:

Step-by-step explanation:

Dimas [21]3 years ago

5 0

Using
[(n-2)180]÷n = 140
(n-2)180 = 140n
180n -360 = 140n
180n -140n = 360
40n = 360
n=360÷4 = 90 sides

You might be interested in

The formula s=√A4.828 can be used to approximate the side length s of a regular octagon with area A. A stop sign is shaped like

PtichkaEL [24]

Answer:742

Step-by-step explanation:

4 0

3 years ago

Solve for x<br><img src="https://tex.z-dn.net/?f=x%20%2B%2015%20%3D%208" id="TexFormula1" title="x + 15 = 8" alt="x + 15 = 8" al

Makovka662 [10]

Answer:

x = -7

Step-by-step explanation:

Subtract 15 from both sides of the equation.

x = 8 -15 = -7

8 0

4 years ago

Pleaaaase i neeed heeeelp

4vir4ik [10]

Answer:

b. (x-3) / (x+1)

c. x/(x+5)

Step-by-step explanation:

b. (x+2)(x-3) / (x+1)(x+2)

c. x(x - 5) / (x + 5 ( x - 5)

= x / x+5

4 0

3 years ago

Over the summer, Delilah collected 75 books from her personal library that she had outgrown. She decided to donate them to the m

shepuryov [24]

Answer:

she donated 9 books to hers

3 0

3 years ago

Read 2 more answers

Aaron makes $45 dollars per day delivering newspapers. He earns 0.75 for each newspaper he delivers. How many newspaper, n, must

ANEK [815]

Answer:

20 newspapers

Step-by-step explanation:

First create an equation.

y = 0.75x + 45

Now substitute 60 y and solve for x.

60 = 0.75x + 45

60 - 45 = 0.75x + 45 - 45

15/0.75 = 0.75x/0.75

x = 20 newspapers

5 0

2 years ago

Read 2 more answers