12/8/2020-Angles of Polygons-Day 1 - Melanie S Boyd | Biblioteka

Watch the video inside #1 and answer the accompanying question. Problems 2 thru 6 use this concept.

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I watched this video and understand the concept.

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I don't get it

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Find the sum of INTERIOR angles of a pentagon

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Find the sum of INTERIOR angles of a rectangle

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Find the sum of INTERIOR angles of a 13-gon

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Find the sum of INTERIOR angles of a 11-gon

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Find the sum of INTERIOR angles of an octagon

Watch the video inside #7 and answer the accompanying question. Problems 8 thru 10 use this concept.

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I watched this video and understand the concept.

true

false

I don't get it

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

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

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

Watch the video inside #11 and answer the accompanying question. Problems 12 thru 16 use this concept.

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I watched this video and understand the concept.

true

false

I don't get it

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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!!)

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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!!)

1

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!!)

1

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!!)

1

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!!)

Watch the video inside #17 and answer the accompanying question. Problems 18 thru 21 use this concept.

1

I watched this video and understand the concept.

true

false

I don't get it.

1

Find the sum of EXTERIOR angles in a hexagon

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Find the sum of EXTERIOR angles in a 15-gon

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Find x. Round to the tenths place.

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