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
Alja [10]
3 years ago
8

Find the sum of the interior angle measure of a regular polygon with 20 sides

Mathematics
1 answer:
AleksAgata [21]3 years ago
8 0

Answer:

3240°

Step-by-step explanation:

For a regular icosagon,

sum of interior angles measure=180(n-2)°

180(20-2)

180(18)=3240°

You might be interested in
Can Someone Please Help With my homework
Arada [10]

Answer:

10

Step-by-step explanation:

She already has 75 points. 140-75 is 65. 65/6.5 is 10.

5 0
3 years ago
Which of the following descriptions best models a door?
Dahasolnce [82]

Answer:

A

Step-by-step explanation:

a door is a rectangle so is can't be any of the other shapes

7 0
3 years ago
- Factorise 121y² - m²​
Otrada [13]

Answer:

\boxed{ \bold{ { \boxed{ \sf{(11y + m)(11y - m)}}}}}

Step-by-step explanation:

\sf{121 {y}^{2}  -  {m}^{2} }

\longrightarrow{ \sf{ {(11y)}^{2}  -  {(m)}^{2} }}

Use the formula of a² - b² = ( a + b ) ( a - b )

\longrightarrow{ \sf{(11y + m)(11y - m)}}

Hope I helped!

Best regards

6 0
3 years ago
What is the measure in degrees of angle (3x-13)°
Paul [167]

Answer:

180

Step-by-step explanation:

x+10, 2x+15, and 3x-13. what are the degree measures of the angles of the triangle? The sum of the measures of the angles of triangle = 180 degrees.

6 0
3 years ago
Simplify as far as possible.<br> 7<br> √<br> 5<br> −<br> 3<br> √<br> 5
vova2212 [387]

Answer:

4√5

Step-by-step explanation:

8 0
2 years ago
Other questions:
  • The sum of 21 and a number is 30
    10·1 answer
  • Elton is a candle maker. Each 15 cm long candle he makes burns evenly for 6 hours if Elton makes a 45 cm long candle, how long w
    11·1 answer
  • Help pleasseeeee ! 15 points<br><br> the answers are<br> (-1,-5)<br> (0,-3)<br> (4,5)<br> (9,15)
    15·2 answers
  • 200 labourers need 50 days to construct a road of 4 km long. How many labourers are needed to construct 8 km long in 80 days​
    6·1 answer
  • A B C D which one is it ?
    10·2 answers
  • Shalika bought a purse for $120. The tax rate is 9%. What is the total amount Shalika paid? Enter your answer in the box.
    9·2 answers
  • Solve the proportion
    11·1 answer
  • PLSSS HELP I'M DEAD
    5·2 answers
  • Suzie bought 17.75 lbs of flour. If the price for 1lb is $19.68, calculate the total amount she paid to the shopkeeper
    7·2 answers
  • A number which is now a rattional number is a​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!