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4/23/2021-Angles of Polygons

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Last updated over 4 years ago
21 questions
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Question 1
1.

Watch this video and answer the accompanying question. Problems 2 thru 6 use this concept.
I watched this video and understand the concept.

Question 2
2.

Find the sum of INTERIOR angles of a pentagon

Question 3
3.

Find the sum of INTERIOR angles of a rectangle

Question 4
4.

Find the sum of INTERIOR angles of a 13-gon

Question 5
5.

Find the sum of INTERIOR angles of a undecagon

Question 6
6.

Find the sum of INTERIOR angles of an octagon

Question 7
7.

Watch this video and answer the accompanying question. Problems 8 thru 10 use this concept.
I watched this video and understand the concept.

Question 8
8.

How many sides does a polygon have if the sum of its INTERIOR angles is 2700?

Question 9
9.

How many sides does a polygon have if the sum of INTERIOR angles is 3780?

Question 10
10.

How many sides does a polygon have if the sum of the INTERIOR angles is 1980?

Question 11
11.

Watch this video and answer the accompanying question. Problems 12 thru 16 use this concept.
I watched this video and understand the concept.

Question 12
12.

Find x. Round to the tenths place. (remember: find the sum of the interior angles first!) (another hint: type your entire equation into Desmos and it will give you the answer!!)

Question 13
13.

Find x. (remember: find the sum of the interior angles first!) (another hint: type your entire equation into Desmos and it will give you the answer!!)

Question 14
14.

Find x. (remember: find the sum of the interior angles first!) (another hint: type your entire equation into Desmos and it will give you the answer!!)

Question 15
15.

Find x. (remember: find the sum of the interior angles first!) (another hint: type your entire equation into Desmos and it will give you the answer!!)

Question 16
16.

Find x. (remember: find the sum of the interior angles first!) (another hint: type your entire equation into Desmos and it will give you the answer!!)

Question 17
17.

Watch this video answer the accompanying question. Problems 18 thru 21 use this concept.
I watched this video and understand the concept.

Question 18
18.

Find the sum of EXTERIOR angles in a hexagon

Question 19
19.

Find the sum of EXTERIOR angles in a 15-gon

Question 20
20.

Find x. Round to the tenths place.

Question 21
21.

Find x. Round to the tenths place.