The sum of interior angle of a regular polygon is 1980 . Find its angle .

Answers

Answer 1
Answer: The sum of the angles of any polygon with 'n' sides is (n - 2) times 180 degrees.

1980 / 180 = 11 , so the polygon has 13 sides and 13 angles.

If the polygon is regular, then all the angles are equal.

Each interior angle is 1980/13 = 152.308 degrees (rounded)

Related Questions

One cake weighs 400gms. How much would 25 such cakes weigh?​
Write (picture included) as a complex number in standard form.
M(x) =5Find m(2) I have no idea how to do this help me
When Gabriella runs the 400 meter dash, her finishing times are normally distributed with a mean of 79 seconds and a standard deviation of 0.5 seconds. Using the empirical rule, determine the interval of times that represents the middle 95% of her finishing times in the 400 meter race.
John Gray bought a basic car for $32,750.00, with options that cost $375.00. There's a 6% sales tax in his state and a combined $50.00 license and registration fee. What was John's total cost?A. $35,165.50 B. $33,175.00 C. $35,140.00 D. $35,162.50

-(2m-7)-(3+4(m+4)) Solve PLZZZZ HURRYY 20 POINTS

Answers

Answer:

-6m-12

Step-by-step explanation:

-(2m-7)-(3+4(m+4)) =

-2m+7-(3+4m+16)=

-2m+7-(19+4m)

-2m+7-19-4m

-6m-12

OR:

-m-2 ( if you divide by 6 as a common factor)

Fei yen dog eats 8 ounces of dog food each day. Fei yen bought a 28 pound bag of dog food. How many 8ounce servings are in a pound bag of dog food

Answers

First you need to know how many ounces are in a pound=16 oz
16x28= 448 oz of food
448/8= 56 servings of dog food

24 with a remainder of 4 

The product of 9 and a number is 12 less than three times that number.What is the number?


Giving 20 Points....

Answers

9n = 3n-12
-3n= -3n   
6n= -12
 divide by 6 = -2 =n 

to check.. 9 times -2 = -18 soo.. 3 times -2= -6-12= -18 

so it is correct!! 
 
hope it helps :) 

An engineer is designing a storage compartment in a spacecraft. The compartment must be 2 meters longer than it is wide, and its depth must be 1 meter less than its width. The volume of the compartment must be 8 cubic meters.a. Write an equation to model the volume of the compartment.
b. List all possible rational roots.
c. Use synthetic division to find the roots of the polynomial equation. Are the roots all rational numbers?
d. What are the dimensions of the storage compartment?

I really only need a. and d. though, thanks.

Answers

I dont understand math its my worst subject! I never undestand it! Please help me express in decimal 2 3/4 +5/8=?

If a sequence is defined recursively by f(0)=2 and f(n+1)=-2f(n)+3 for n is greater than or equal to 0, then f(2) is equal to...?

Answers

We start with f(0) = 2, we can use this value to find out the next value f(1) in our relation.

 f(1) = -2 f(0)+3 = -2(2) + 3 =- 4 +3 =-1 Now we know f(1) we can work out f(2):

f(2) = -2 f(1)+3 = -2( -1)+3 = 2 +3 = 5.

So f(2) = 5

What percent of 48 is 2.4

Answers

= 100%(2.4/48)
= 240/48% or 5%

Answer: 5%

= 100%(27/150)
= 2,700/150% or 18%

Answer: 18%  hope that helped
^-^

Answer:

5%

Step-by-step explanation:

1. We assume, that the number 48 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 48, so we can write it down as 100%=48.

4. We know, that x% equals 2.4 of the output value, so we can write it down as x%=2.4.

5. Now we have two simple equations:

1) 100%=48

2) x%=2.4

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

100%/x%=48/2.4

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 2.4 is what percent of 48

100%/x%=48/2.4

(100/x)*x=(48/2.4)*x       - we multiply both sides of the equation by x

100=20*x       - we divide both sides of the equation by (20) to get x

100/20=x

5=x

x=5

now we have:

2.4 is 5% of 48