1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Varvara68 [4.7K]
3 years ago
15

A regular polygon of (2A+ 1) sides has 140°as the size of each interior angle. Find A​

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0

Answer:

Ext angles = 40 degs 360/40 = 9 sides

Step-by-step explanation:

You might be interested in
Distance. An airplane flies 2,200 miles in 5 hours. How far will it fly in 8 hours?
nordsb [41]

Answer:

3,200 miles

Step-by-step explanation:

To find the amount, we can first find the unit rate, or how many miles it travels in 1 hour. We can do this by dividing 2,200 by 5. We get a total of 40.

Finally, we can multiply 40 by 8 to get a total of 3,200 miles.

3 0
3 years ago
Etta buys some ribbon and cuts it into 5 pieces that are the same length. Each piece is 9 inches long. How long was the ribbon t
Ivenika [448]

Answer:

The ribbion she bought is 45 inches long

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The price of a gallon of unleaded gas was $2.79 yesterday. Today, the price rose to $2.84 . Find the percentage increase. Round
Vladimir [108]

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

Using this math, you get the percent increase of : 1.79, but rounding to the nearest tenth, you get the answer of: 1.8 Hope this helps :)<span />
7 0
3 years ago
I need to know how to write a proof for why CF is the perpendicular bisector of BD
Soloha48 [4]
It creates a 90 degree angle so that means its perpendicular. 
3 0
3 years ago
A rectangle that is 30 inches long by 10 inched wide can be divided into three equal squares.
Darya [45]
Yes k. And? I don’t get how this is a question.
6 0
3 years ago
Other questions:
  • Suppose the distance between two cities on a map is 5.2 inches. The scale is 1 inch = 80 miles. What's the actual distance betwe
    5·1 answer
  • Okay people! I need help. In geometry, on a x/y coordinate plane, I need to find the distance between the point (3,2) and the sl
    7·1 answer
  • If a 21 ounce box of cereal costa $2.94,what is the unit price.
    11·2 answers
  • Find the area of the thingy
    12·1 answer
  • Question One
    9·1 answer
  • The diagram shows a triangle.<br><br> 13.4 cm<br> 7.6 cm<br> Work out the area of the triangle.
    12·1 answer
  • a basketball coach keeps track of the points scored per game for all of her players. she gives a trophy to the player with the h
    5·2 answers
  • Write an equation of the line in slope-intercept form given the slope is 2 and the y-intercept is -5.
    5·1 answer
  • Please help, no need to show work :)
    12·1 answer
  • Find the area of the following triangle. Show each of the math steps that you use to find the area. Then explain how to go about
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!