destinyberg destinyberg

09-01-2020
Mathematics

contestada

Find the sum of the interior angle measures of a convex 21-gon

Respuesta :

sqdancefan sqdancefan

11-01-2020

Answer:

3420°

Step-by-step explanation:

The sum of angle measures of an n-gon is ...

angle total = (n-2)×180°

For n = 21, the angle total is ...

21-gon total = (21 -2)×180° = 3420°

Answer Link

Otras preguntas

3. They ..... to watch television at the moment.a. are wantingb. wanted c. were wantingd. want

The author characterizes the Athenians as "the citizens of one out of a thousand cities" (paragraph 5) in order to convey which of the following? Although ancie

(Unit 2 lesson 20). Solve the inequality 2x < 10.* x < 10 O x < 5 X = 5 O X > 5

what is the selling price of one pen?

Plz just answer it is only one page of one assignment

What is the y-intercept of the line? 1 1/2 -2 0

Drag each label to the correct category.Decide whether each statement describes mass or weight. I will give brainliest

Estimate 67,582-33,065 by first rounding each number to the nearest thousand.

The president has a duty to ensure that laws are faithfully carried out. What category of presidential power does this duty belong to? A- Judicial power B- fo

jason has a bar of chocolate he gives his friend 2/5 of his chocolate bar.what percentage of his bar of chocolate does he have left